a) Interpretation: Whether the compound shown will be a good dienophile or not is to be predicted. Concept introduction: In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond. To predict: Whether the compound shown will be a good dienophile or not.

Question

In an experiment, the viscosity of water was measured at different temperatures and the table was constructed from the data obtained. a) Calculate the activation energy of viscous flow (kJ/mol). b) Calculate the viscosity at 30°C. T/°C 0 20 40 60 80 η/cpoise 1,972 1,005 0,656 0,469 0,356

Answer 1

Question

Chapter 14.5, Problem 8P

Interpretation Introduction

a)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

b)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

c)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

d)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

e)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

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In an experiment, the viscosity of water was measured at different temperatures and the table was constructed from the data obtained. a) Calculate the activation energy of viscous flow (kJ/mol). b) Calculate the viscosity at 30°C. T/°C 0 20 40 60 80 η/cpoise 1,972 1,005 0,656 0,469 0,356

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Let's see if you caught the essentials of the animation. What is the valence value of carbon? a) 4 b) 2 c) 8 d) 6

Answer 2

Question

Chapter 14.5, Problem 8P

Interpretation Introduction

a)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

b)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

c)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

d)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

e)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Expert Solution & Answer

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Answer 3

Question

Chapter 14.5, Problem 8P

Interpretation Introduction

a)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

b)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

c)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

d)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

e)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Expert Solution & Answer

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Answer 4

Question

Chapter 14.5, Problem 8P

Interpretation Introduction

a)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

b)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

c)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

d)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

e)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Expert Solution & Answer

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Answer 5

Chapter 14.5, Problem 8P

Interpretation Introduction

a)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

b)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

c)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

d)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Interpretation Introduction

e)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 6

Chapter 14.5, Problem 8P

Interpretation Introduction

a)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 7

Chapter 14.5, Problem 8P

Interpretation Introduction

a)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 8

Interpretation Introduction

b)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 9

Interpretation Introduction

b)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 10

Interpretation Introduction

c)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 11

Interpretation Introduction

c)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 12

Interpretation Introduction

d)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 13

Interpretation Introduction

d)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 14

Interpretation Introduction

e)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 15

Interpretation Introduction

e)

Interpretation:

Whether the compound shown will be a good dienophile or not is to be predicted.

Concept introduction:

In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond.

To predict:

Whether the compound shown will be a good dienophile or not.

Answer 16

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Answer 17

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Answer 18

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Answer 21

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Answer 23

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Answer 24

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Answer 27

Ch. 14.1 - Prob. 1P Ch. 14.2 - Give the structures of both 1, 2 and 1, 4 adducts...Ch. 14.2 - Prob. 3P Ch. 14.2 - Give the structures of both 1, 2 and 1, 4 adducts...Ch. 14.3 - Prob. 5P Ch. 14.3 - Prob. 6P Ch. 14.5 - Predict the product of the following Dielsâ€“Alder...Ch. 14.5 - Prob. 8P Ch. 14.5 - Which of the following dienes have an s-cis...Ch. 14.5 - Predict the product of the following Dielsâ€“Alder...

Solution Summary: The author explains that the compound shown will be a good dienophile.

Chapter 14 Solutions