(a) Interpretation: The product formed on aldol addition of phenylacetaldehyde is to be stated. Concept introduction: In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β -hydroxyaldehyde or β -hydroxyketone which on further dehydration gives the conjugated enone.

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Answer 1

Question

Chapter 22, Problem 22.19P

Interpretation Introduction

(a)

Interpretation:

The product formed on aldol addition of phenylacetaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Interpretation Introduction

(b)

Interpretation:

The product formed on aldol addition of propionaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

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Answer 2

Question

Chapter 22, Problem 22.19P

Interpretation Introduction

(a)

Interpretation:

The product formed on aldol addition of phenylacetaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Interpretation Introduction

(b)

Interpretation:

The product formed on aldol addition of propionaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

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Answer 3

Question

Chapter 22, Problem 22.19P

Interpretation Introduction

(a)

Interpretation:

The product formed on aldol addition of phenylacetaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Interpretation Introduction

(b)

Interpretation:

The product formed on aldol addition of propionaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

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Answer 4

Question

Chapter 22, Problem 22.19P

Interpretation Introduction

(a)

Interpretation:

The product formed on aldol addition of phenylacetaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Interpretation Introduction

(b)

Interpretation:

The product formed on aldol addition of propionaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

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Answer 5

Chapter 22, Problem 22.19P

Interpretation Introduction

(a)

Interpretation:

The product formed on aldol addition of phenylacetaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Interpretation Introduction

(b)

Interpretation:

The product formed on aldol addition of propionaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Answer 6

Chapter 22, Problem 22.19P

Interpretation Introduction

(a)

Interpretation:

The product formed on aldol addition of phenylacetaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Answer 7

Chapter 22, Problem 22.19P

Interpretation Introduction

(a)

Interpretation:

The product formed on aldol addition of phenylacetaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The product formed on aldol addition of propionaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The product formed on aldol addition of propionaldehyde is to be stated.

Concept introduction:

In aldol condensation reaction, the base abstracts an acidic proton from the α carbon atom to form enolate. This enolate or enol reacts with carbonyl compound that leads to the formation of β-hydroxyaldehyde or β-hydroxyketone which on further dehydration gives the conjugated enone.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 22 - Prob. 22.1P Ch. 22 - Prob. 22.2P Ch. 22 - Prob. 22.3P Ch. 22 - Prob. 22.4P Ch. 22 - Prob. 22.5P Ch. 22 - Prob. 22.6P Ch. 22 - Prob. 22.7P Ch. 22 - Prob. 22.8P Ch. 22 - Prob. 22.9P Ch. 22 - Prob. 22.10P

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Chapter 22 Solutions