(a) Interpretation: The product formed on Aldol condensation in the given reaction 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 22.21P

Interpretation Introduction

(a)

Interpretation:

The product formed on Aldol condensation in the given reaction 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 condensation in the given reaction 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

(c)

Interpretation:

The product formed on aldol condensation in the given reaction 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

(d)

Interpretation:

The product formed on aldol condensation in the given reaction 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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Part II. two unbranched ketone have molecular formulla (C8H100). El-ms showed that both of them have a molecular ion peak at m/2 =128. However ketone (A) has a fragment peak at m/2 = 99 and 72 while ketone (B) snowed a fragment peak at m/2 = 113 and 58. 9) Propose the most plausible structures for both ketones b) Explain how you arrived at your conclusion by drawing the Structures of the distinguishing fragments for each ketone, including their fragmentation mechanisms.

Answer 2

Question

Chapter 22, Problem 22.21P

Interpretation Introduction

(a)

Interpretation:

The product formed on Aldol condensation in the given reaction 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 condensation in the given reaction 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

(c)

Interpretation:

The product formed on aldol condensation in the given reaction 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

(d)

Interpretation:

The product formed on aldol condensation in the given reaction 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 22.21P

Interpretation Introduction

(a)

Interpretation:

The product formed on Aldol condensation in the given reaction 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 condensation in the given reaction 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

(c)

Interpretation:

The product formed on aldol condensation in the given reaction 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

(d)

Interpretation:

The product formed on aldol condensation in the given reaction 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 22.21P

Interpretation Introduction

(a)

Interpretation:

The product formed on Aldol condensation in the given reaction 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 condensation in the given reaction 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

(c)

Interpretation:

The product formed on aldol condensation in the given reaction 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

(d)

Interpretation:

The product formed on aldol condensation in the given reaction 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 22.21P

Interpretation Introduction

(a)

Interpretation:

The product formed on Aldol condensation in the given reaction 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 condensation in the given reaction 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

(c)

Interpretation:

The product formed on aldol condensation in the given reaction 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

(d)

Interpretation:

The product formed on aldol condensation in the given reaction 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 22.21P

Interpretation Introduction

(a)

Interpretation:

The product formed on Aldol condensation in the given reaction 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 22.21P

Interpretation Introduction

(a)

Interpretation:

The product formed on Aldol condensation in the given reaction 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 condensation in the given reaction 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 condensation in the given reaction 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

Interpretation Introduction

(c)

Interpretation:

The product formed on aldol condensation in the given reaction 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 11

Interpretation Introduction

(c)

Interpretation:

The product formed on aldol condensation in the given reaction 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 12

Interpretation Introduction

(d)

Interpretation:

The product formed on aldol condensation in the given reaction 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 13

Interpretation Introduction

(d)

Interpretation:

The product formed on aldol condensation in the given reaction 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 14

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Answer 15

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Answer 16

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Answer 17

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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