(a) Interpretation: The complete mechanism for the given reaction is to be drawn. Concept introduction: Methoxide acts as a good leaving group; the nucleophile attacks the adjacent electropositive carbon. In NaSCH 3 , CH 3 S - acts as a nucleophile, electron rich site and the C atom of C=O group acts as electron poor site. Electron rich atom attacks the electron poor atom.

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Answer 1

Question

Chapter 20, Problem 20.53P

Interpretation Introduction

(a)

Interpretation:

The complete mechanism for the given reaction is to be drawn.

Concept introduction:

Methoxide acts as a good leaving group; the nucleophile attacks the adjacent electropositive carbon. In NaSCH3, CH3S- acts as a nucleophile, electron rich site and the C atom of C=O group acts as electron poor site. Electron rich atom attacks the electron poor atom.

Interpretation Introduction

(b)

Interpretation:

Whether the given reaction is energetically favorable or not is to be explained.

Concept introduction:

Size of anion governs the stability of the respective anion. A bigger anion can stabilize the negative charge better compared to a smaller anion.

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Draw the stepwise mechanism for the reactions

Answer 2

Question

Chapter 20, Problem 20.53P

Interpretation Introduction

(a)

Interpretation:

The complete mechanism for the given reaction is to be drawn.

Concept introduction:

Methoxide acts as a good leaving group; the nucleophile attacks the adjacent electropositive carbon. In NaSCH3, CH3S- acts as a nucleophile, electron rich site and the C atom of C=O group acts as electron poor site. Electron rich atom attacks the electron poor atom.

Interpretation Introduction

(b)

Interpretation:

Whether the given reaction is energetically favorable or not is to be explained.

Concept introduction:

Size of anion governs the stability of the respective anion. A bigger anion can stabilize the negative charge better compared to a smaller anion.

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Answer 3

Question

Chapter 20, Problem 20.53P

Interpretation Introduction

(a)

Interpretation:

The complete mechanism for the given reaction is to be drawn.

Concept introduction:

Methoxide acts as a good leaving group; the nucleophile attacks the adjacent electropositive carbon. In NaSCH3, CH3S- acts as a nucleophile, electron rich site and the C atom of C=O group acts as electron poor site. Electron rich atom attacks the electron poor atom.

Interpretation Introduction

(b)

Interpretation:

Whether the given reaction is energetically favorable or not is to be explained.

Concept introduction:

Size of anion governs the stability of the respective anion. A bigger anion can stabilize the negative charge better compared to a smaller anion.

Expert Solution & Answer

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See solution

Answer 4

Question

Chapter 20, Problem 20.53P

Interpretation Introduction

(a)

Interpretation:

The complete mechanism for the given reaction is to be drawn.

Concept introduction:

Methoxide acts as a good leaving group; the nucleophile attacks the adjacent electropositive carbon. In NaSCH3, CH3S- acts as a nucleophile, electron rich site and the C atom of C=O group acts as electron poor site. Electron rich atom attacks the electron poor atom.

Interpretation Introduction

(b)

Interpretation:

Whether the given reaction is energetically favorable or not is to be explained.

Concept introduction:

Size of anion governs the stability of the respective anion. A bigger anion can stabilize the negative charge better compared to a smaller anion.

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Answer 5

Chapter 20, Problem 20.53P

Interpretation Introduction

(a)

Interpretation:

The complete mechanism for the given reaction is to be drawn.

Concept introduction:

Methoxide acts as a good leaving group; the nucleophile attacks the adjacent electropositive carbon. In NaSCH3, CH3S- acts as a nucleophile, electron rich site and the C atom of C=O group acts as electron poor site. Electron rich atom attacks the electron poor atom.

Interpretation Introduction

(b)

Interpretation:

Whether the given reaction is energetically favorable or not is to be explained.

Concept introduction:

Size of anion governs the stability of the respective anion. A bigger anion can stabilize the negative charge better compared to a smaller anion.

Answer 6

Chapter 20, Problem 20.53P

Interpretation Introduction

(a)

Interpretation:

The complete mechanism for the given reaction is to be drawn.

Concept introduction:

Methoxide acts as a good leaving group; the nucleophile attacks the adjacent electropositive carbon. In NaSCH3, CH3S- acts as a nucleophile, electron rich site and the C atom of C=O group acts as electron poor site. Electron rich atom attacks the electron poor atom.

Answer 7

Chapter 20, Problem 20.53P

Interpretation Introduction

(a)

Interpretation:

The complete mechanism for the given reaction is to be drawn.

Concept introduction:

Methoxide acts as a good leaving group; the nucleophile attacks the adjacent electropositive carbon. In NaSCH3, CH3S- acts as a nucleophile, electron rich site and the C atom of C=O group acts as electron poor site. Electron rich atom attacks the electron poor atom.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Whether the given reaction is energetically favorable or not is to be explained.

Concept introduction:

Size of anion governs the stability of the respective anion. A bigger anion can stabilize the negative charge better compared to a smaller anion.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Whether the given reaction is energetically favorable or not is to be explained.

Concept introduction:

Size of anion governs the stability of the respective anion. A bigger anion can stabilize the negative charge better compared to a smaller anion.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 20 - Prob. 20.1P Ch. 20 - Prob. 20.2P Ch. 20 - Prob. 20.3P Ch. 20 - Prob. 20.4P Ch. 20 - Prob. 20.5P Ch. 20 - Prob. 20.6P Ch. 20 - Prob. 20.7P Ch. 20 - Prob. 20.8P Ch. 20 - Prob. 20.9P Ch. 20 - Prob. 20.10P

(b) Interpretation: Whether the given reaction is energetically favorable or not is to be explained. Concept introduction: Size of anion governs the stability of the respective anion. A bigger anion can stabilize the negative charge better compared to a smaller anion.

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Chapter 20 Solutions

(b)

Interpretation:

Whether the given reaction is energetically favorable or not is to be explained.

Concept introduction:

Size of anion governs the stability of the respective anion. A bigger anion can stabilize the negative charge better compared to a smaller anion.