(a)
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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ORGANIC CHEM PRINT STUDY GDE & SSM
- 1. For the four structures provided, Please answer the following questions in the table below. a. Please draw π molecular orbital diagram (use the polygon-and-circle method if appropriate) and fill electrons in each molecular orbital b. Please indicate the number of π electrons c. Please indicate if each molecule provided is anti-aromatic, aromatic, or non- aromatic TT MO diagram Number of π e- Aromaticity Evaluation (X choose one) Non-aromatic Aromatic Anti-aromatic || ||| + IVarrow_forward1.3 grams of pottasium iodide is placed in 100 mL of o.11 mol/L lead nitrate solution. At room temperature, lead iodide has a Ksp of 4.4x10^-9. How many moles of precipitate will form?arrow_forwardQ3: Circle the molecules that are optically active: ДДДДarrow_forward
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