(a) Interpretation: Whether the given statement is true or false. Keto and enol tautomers are constitutional isomers. Concept Introduction: A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium. Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

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Answer 1

Question

Chapter 17, Problem 17.42P

Interpretation Introduction

(a)

Interpretation:

Whether the given statement is true or false.

Keto and enol tautomers are constitutional isomers.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Interpretation Introduction

(b)

Interpretation:

Whether the given statement is true or false.

For a pair of keto-enol tautomers, the keto form generally predominates.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

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17-24 In each pair of compounds, select the one with the higher boiling point. (a) Acetaldehyde or ethanol (b) Acetone or 3-pentanone (c) Butanal or butane (d) Butanone or 2-butanol

4) Give an example of an enol which would tautomerize into a) an aldehyde and b) a ketone.

1) The carbon-oxygen double bond present in aldehydes and ketones is very polar. What does this mean and how does it arise? 2) The carbon-oxygen double bond is readily attacked by nucleophiles like cyanide ions or ammonia. (i) What do you understand by the term nucleophile? (ii) Which part of the carbon-oxygen double bond is attractive to nucleophiles? 3) Why is there a difference between aldehydes and ketones in their response to oxidizing agents such as potassium dichromate(VI) solution acidified with dilute sulfuric acid?

Answer 2

Question

Chapter 17, Problem 17.42P

Interpretation Introduction

(a)

Interpretation:

Whether the given statement is true or false.

Keto and enol tautomers are constitutional isomers.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Interpretation Introduction

(b)

Interpretation:

Whether the given statement is true or false.

For a pair of keto-enol tautomers, the keto form generally predominates.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

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Answer 3

Question

Chapter 17, Problem 17.42P

Interpretation Introduction

(a)

Interpretation:

Whether the given statement is true or false.

Keto and enol tautomers are constitutional isomers.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Interpretation Introduction

(b)

Interpretation:

Whether the given statement is true or false.

For a pair of keto-enol tautomers, the keto form generally predominates.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

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Answer 4

Question

Chapter 17, Problem 17.42P

Interpretation Introduction

(a)

Interpretation:

Whether the given statement is true or false.

Keto and enol tautomers are constitutional isomers.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Interpretation Introduction

(b)

Interpretation:

Whether the given statement is true or false.

For a pair of keto-enol tautomers, the keto form generally predominates.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

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Answer 5

Chapter 17, Problem 17.42P

Interpretation Introduction

(a)

Interpretation:

Whether the given statement is true or false.

Keto and enol tautomers are constitutional isomers.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Interpretation Introduction

(b)

Interpretation:

Whether the given statement is true or false.

For a pair of keto-enol tautomers, the keto form generally predominates.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Answer 6

Chapter 17, Problem 17.42P

Interpretation Introduction

(a)

Interpretation:

Whether the given statement is true or false.

Keto and enol tautomers are constitutional isomers.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Answer 7

Chapter 17, Problem 17.42P

Interpretation Introduction

(a)

Interpretation:

Whether the given statement is true or false.

Keto and enol tautomers are constitutional isomers.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Whether the given statement is true or false.

For a pair of keto-enol tautomers, the keto form generally predominates.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Whether the given statement is true or false.

For a pair of keto-enol tautomers, the keto form generally predominates.

Concept Introduction:

A carbonyl compound that has a hydrogen on an a-carbon changes its form to enol through resonance. Both the form stays in equilibrium.

Constitutional isomers are those where the molecular formula for both the compound is same but the bond connectivity differs.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 17.2 - Problem 17-1 Wrtie the IUPAC name for each...Ch. 17.2 - Prob. 17.2P Ch. 17.2 - Prob. 17.3P Ch. 17.4 - Prob. 17.4P Ch. 17.4 - Prob. 17.5P Ch. 17.4 - Problem 17-6 Show the reaction of benzaldehyde...Ch. 17.4 - Problem 17-7 Identify all hemiacetals and acetals...Ch. 17.5 - Prob. 17.8P Ch. 17 - 17-9 Answer true or false. (a) The one aldehyde...Ch. 17 - Prob. 17.10P

Solution Summary: The author explains that keto and enol tautomers are constitutional isomers.

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Chapter 17 Solutions