The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted. Concept Introduction : Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic. Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic. Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Question

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Answer 1

Question

Chapter 16, Problem 40PP

(a)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(b)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(c)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(d)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(e)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(f)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(g)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(h)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(i)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(j)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(k)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(l)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(m)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(n)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(o)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

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Answer 2

Question

Chapter 16, Problem 40PP

(a)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(b)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(c)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(d)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(e)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(f)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(g)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(h)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(i)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(j)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(k)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(l)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(m)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(n)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(o)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

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Answer 3

Question

Chapter 16, Problem 40PP

(a)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(b)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(c)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(d)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(e)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(f)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(g)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(h)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(i)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(j)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(k)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(l)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(m)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(n)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(o)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 4

Question

Chapter 16, Problem 40PP

(a)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(b)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(c)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(d)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(e)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(f)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(g)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(h)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(i)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(j)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(k)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(l)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(m)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(n)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(o)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

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Answer 5

Chapter 16, Problem 40PP

(a)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(b)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(c)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(d)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(e)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(f)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(g)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(h)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(i)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(j)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(k)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(l)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(m)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(n)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

(o)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 6

Chapter 16, Problem 40PP

(a)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 7

Chapter 16, Problem 40PP

(a)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 8

(b)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 9

(b)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 10

(c)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 11

(c)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 12

(d)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 13

(d)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 14

(e)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 15

(e)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 16

(f)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 17

(f)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 18

(g)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 19

(g)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 20

(h)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 21

(h)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 22

(i)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 23

(i)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 24

(j)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 25

(j)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 26

(k)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 27

(k)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 28

(l)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 29

(l)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 30

(m)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 31

(m)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 32

(n)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 33

(n)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 34

(o)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 35

(o)

Interpretation Introduction

Interpretation: The given red protons are whether homotopic, Enantiotopic or Diastereotopic to be predicted.

Concept Introduction:

Homotopic: If the protons are interchangeable by rotational symmetry, then the protons are chemically equivalent and termed as homotopic.

Enantiotopic: If the protons are interchangeable by reflectional symmetry, then the protons are chemically equivalent and termed as Enantiotopic.

Diastereotopic: If the protons are not interchangeable by either of the symmetry operations, then the protons are Diastereotopic; the protons are not chemically equivalent if a chiral center present in the molecule.

Answer 36

Expert Solution & Answer

Answer 37

Expert Solution & Answer

Answer 38

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Answer 39

Ch. 16.4 - Prob. 1LTS Ch. 16.4 - Prob. 1PTS Ch. 16.4 - Prob. 2ATS Ch. 16.4 - Prob. 3ATS Ch. 16.4 - Prob. 2LTS Ch. 16.4 - Prob. 4PTS Ch. 16.4 - Prob. 5ATS Ch. 16.4 - Prob. 6ATS Ch. 16.5 - Prob. 3LTS Ch. 16.5 - Prob. 7PTS

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Chapter 16 Solutions