The mechanism for the racemisation of 2 − bromobutane with a solution of KBr . Interpretation: The mechanism for the racemisation of 2 − bromobutane with a solution of KBr is to be stated. Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers. The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture. The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

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Answer 1

Question

Chapter 6, Problem 6.49SP

(a)

Interpretation Introduction

To determine: The mechanism for the racemisation of 2−bromobutane with a solution of KBr.

Interpretation: The mechanism for the racemisation of 2−bromobutane with a solution of KBr is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(b)

Interpretation Introduction

To determine: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a).

Interpretation: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a) is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(c)

Interpretation Introduction

To determine: The mechanism for the racemization of optically active butan−2−ol in dilute acid.

Interpretation: The mechanism for the racemization of optically active butan−2−ol in dilute acid is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

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Given that an E2 reaction proceeds with anti periplanar stereochemistry, draw the products of each elimination. The alkyl halides in (a) and (b) are diastereomers of each other. How are the products of these two reactions related? Recall from Section 3.2A that C6H5 −is a phenyl group, a benzene ring bonded to another group.

Given that an E2 reaction proceeds with anti periplanar stereochemistry, draw the products of each elimination. The alkyl halides in (a) and (b) are diastereomers of each other. How are the products of these two reactions related? Recall from Section 3.2A that C6H5– is a phenyl group, a benzene ring bonded to another group.

1. Are they SN1, SN2, E1 or E2? 2. What are the major products and mechanisms?

Answer 2

Question

Chapter 6, Problem 6.49SP

(a)

Interpretation Introduction

To determine: The mechanism for the racemisation of 2−bromobutane with a solution of KBr.

Interpretation: The mechanism for the racemisation of 2−bromobutane with a solution of KBr is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(b)

Interpretation Introduction

To determine: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a).

Interpretation: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a) is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(c)

Interpretation Introduction

To determine: The mechanism for the racemization of optically active butan−2−ol in dilute acid.

Interpretation: The mechanism for the racemization of optically active butan−2−ol in dilute acid is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

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Answer 3

Question

Chapter 6, Problem 6.49SP

(a)

Interpretation Introduction

To determine: The mechanism for the racemisation of 2−bromobutane with a solution of KBr.

Interpretation: The mechanism for the racemisation of 2−bromobutane with a solution of KBr is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(b)

Interpretation Introduction

To determine: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a).

Interpretation: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a) is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(c)

Interpretation Introduction

To determine: The mechanism for the racemization of optically active butan−2−ol in dilute acid.

Interpretation: The mechanism for the racemization of optically active butan−2−ol in dilute acid is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

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Answer 4

Question

Chapter 6, Problem 6.49SP

(a)

Interpretation Introduction

To determine: The mechanism for the racemisation of 2−bromobutane with a solution of KBr.

Interpretation: The mechanism for the racemisation of 2−bromobutane with a solution of KBr is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(b)

Interpretation Introduction

To determine: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a).

Interpretation: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a) is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(c)

Interpretation Introduction

To determine: The mechanism for the racemization of optically active butan−2−ol in dilute acid.

Interpretation: The mechanism for the racemization of optically active butan−2−ol in dilute acid is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

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Answer 5

Chapter 6, Problem 6.49SP

(a)

Interpretation Introduction

To determine: The mechanism for the racemisation of 2−bromobutane with a solution of KBr.

Interpretation: The mechanism for the racemisation of 2−bromobutane with a solution of KBr is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(b)

Interpretation Introduction

To determine: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a).

Interpretation: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a) is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

(c)

Interpretation Introduction

To determine: The mechanism for the racemization of optically active butan−2−ol in dilute acid.

Interpretation: The mechanism for the racemization of optically active butan−2−ol in dilute acid is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

Answer 6

Chapter 6, Problem 6.49SP

(a)

Interpretation Introduction

To determine: The mechanism for the racemisation of 2−bromobutane with a solution of KBr.

Interpretation: The mechanism for the racemisation of 2−bromobutane with a solution of KBr is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

Answer 7

Chapter 6, Problem 6.49SP

(a)

Interpretation Introduction

To determine: The mechanism for the racemisation of 2−bromobutane with a solution of KBr.

Interpretation: The mechanism for the racemisation of 2−bromobutane with a solution of KBr is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

Answer 8

(b)

Interpretation Introduction

To determine: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a).

Interpretation: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a) is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

Answer 9

(b)

Interpretation Introduction

To determine: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a).

Interpretation: The reason corresponding to the fact that the reaction of optically active butan−2−ol with the solution of KOH does not undergo racemisation like that in part (a) is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

Answer 10

(c)

Interpretation Introduction

To determine: The mechanism for the racemization of optically active butan−2−ol in dilute acid.

Interpretation: The mechanism for the racemization of optically active butan−2−ol in dilute acid is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

Answer 11

(c)

Interpretation Introduction

To determine: The mechanism for the racemization of optically active butan−2−ol in dilute acid.

Interpretation: The mechanism for the racemization of optically active butan−2−ol in dilute acid is to be stated.

Concept introduction: The stereoisomers that possess the mirror images of each other which are not superimposable or not identical to each other are termed as enantiomers.

The process of producing the equal mixture of possible enantiomers if any compound undergoes a transformation is termed as racemization. And the resultant mixture is known as racemic mixture.

The characteristic of rotating the plane polarized light by any compound is termed as optical activity of that compound.

Answer 12

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Answer 15

Ch. 6.1 - Classify each compound as an alkyl halide, a vinyl...Ch. 6.2 - Give the structures of the following compounds. a....Ch. 6.2 - For each of the following compounds, A. give the...Ch. 6.3E - Prob. 6.4P Ch. 6.4 - Prob. 6.5P Ch. 6.5A - For each pair of compounds, predict which compound...Ch. 6.5B - Prob. 6.7P Ch. 6.6B - Prob. 6.8P Ch. 6.6B - The light-initiated reaction of...Ch. 6.6B - Show how free-radical halogenation might be used...

Solution Summary: The author explains the mechanism for the racemisation of 2-bromobutane with a solution.

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