The structures of carbocation intermediatesformed is to be determinedand the ions formedby methyl shift and the pathway that will predominates are to be predicted. Concept introduction: > The dehydration of secondary and tertiary alcohol proceeds through E1 mechanism. > The E1 mechanism involves the formation of carbocation. > Thestability order of carbocation is methyl < primary < secondary < tertiary. > The carbocation can be stabilized by rearrangement due to the shift of hydride or methyl group of adjacent carbons. > The selection of hydride or methyl group shift depends on the stability of the carbocation formed.

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Answer 1

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Chapter 7, Problem 52P

Interpretation Introduction

Interpretation:

The structures of carbocation intermediatesformed is to be determinedand the ions formedby methyl shift and the pathway that will predominates are to be predicted.

Concept introduction:
>
The dehydration of secondary and tertiary alcohol proceeds through E1 mechanism.
>
The E1 mechanism involves the formation of carbocation.
>
Thestability order of carbocation is methyl < primary < secondary < tertiary.
>
The carbocation can be stabilized by rearrangement due to the shift of hydride or methyl group of adjacent carbons.
>
The selection of hydride or methyl group shift depends on the stability of the carbocation formed.

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Answer 2

Question

Chapter 7, Problem 52P

Interpretation Introduction

Interpretation:

The structures of carbocation intermediatesformed is to be determinedand the ions formedby methyl shift and the pathway that will predominates are to be predicted.

Concept introduction:
>
The dehydration of secondary and tertiary alcohol proceeds through E1 mechanism.
>
The E1 mechanism involves the formation of carbocation.
>
Thestability order of carbocation is methyl < primary < secondary < tertiary.
>
The carbocation can be stabilized by rearrangement due to the shift of hydride or methyl group of adjacent carbons.
>
The selection of hydride or methyl group shift depends on the stability of the carbocation formed.

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Answer 3

Question

Chapter 7, Problem 52P

Interpretation Introduction

Interpretation:

The structures of carbocation intermediatesformed is to be determinedand the ions formedby methyl shift and the pathway that will predominates are to be predicted.

Concept introduction:
>
The dehydration of secondary and tertiary alcohol proceeds through E1 mechanism.
>
The E1 mechanism involves the formation of carbocation.
>
Thestability order of carbocation is methyl < primary < secondary < tertiary.
>
The carbocation can be stabilized by rearrangement due to the shift of hydride or methyl group of adjacent carbons.
>
The selection of hydride or methyl group shift depends on the stability of the carbocation formed.

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Answer 4

Question

Chapter 7, Problem 52P

Interpretation Introduction

Interpretation:

The structures of carbocation intermediatesformed is to be determinedand the ions formedby methyl shift and the pathway that will predominates are to be predicted.

Concept introduction:
>
The dehydration of secondary and tertiary alcohol proceeds through E1 mechanism.
>
The E1 mechanism involves the formation of carbocation.
>
Thestability order of carbocation is methyl < primary < secondary < tertiary.
>
The carbocation can be stabilized by rearrangement due to the shift of hydride or methyl group of adjacent carbons.
>
The selection of hydride or methyl group shift depends on the stability of the carbocation formed.

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Answer 5

Chapter 7, Problem 52P

Interpretation Introduction

Interpretation:

The structures of carbocation intermediatesformed is to be determinedand the ions formedby methyl shift and the pathway that will predominates are to be predicted.

Concept introduction:
>
The dehydration of secondary and tertiary alcohol proceeds through E1 mechanism.
>
The E1 mechanism involves the formation of carbocation.
>
Thestability order of carbocation is methyl < primary < secondary < tertiary.
>
The carbocation can be stabilized by rearrangement due to the shift of hydride or methyl group of adjacent carbons.
>
The selection of hydride or methyl group shift depends on the stability of the carbocation formed.

Answer 6

Chapter 7, Problem 52P

Interpretation Introduction

Interpretation:

The structures of carbocation intermediatesformed is to be determinedand the ions formedby methyl shift and the pathway that will predominates are to be predicted.

Concept introduction:
>
The dehydration of secondary and tertiary alcohol proceeds through E1 mechanism.
>
The E1 mechanism involves the formation of carbocation.
>
Thestability order of carbocation is methyl < primary < secondary < tertiary.
>
The carbocation can be stabilized by rearrangement due to the shift of hydride or methyl group of adjacent carbons.
>
The selection of hydride or methyl group shift depends on the stability of the carbocation formed.

Answer 7

Chapter 7, Problem 52P

Interpretation Introduction

Interpretation:

The structures of carbocation intermediatesformed is to be determinedand the ions formedby methyl shift and the pathway that will predominates are to be predicted.

Concept introduction:
>
The dehydration of secondary and tertiary alcohol proceeds through E1 mechanism.
>
The E1 mechanism involves the formation of carbocation.
>
Thestability order of carbocation is methyl < primary < secondary < tertiary.
>
The carbocation can be stabilized by rearrangement due to the shift of hydride or methyl group of adjacent carbons.
>
The selection of hydride or methyl group shift depends on the stability of the carbocation formed.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 7.1 - Name each of the following using IUPAC...Ch. 7.1 - Prob. 2P Ch. 7.2 - How many carbon atoms are sp2-hybridized in the...Ch. 7.3 - Prob. 4P Ch. 7.3 - Are cis-2-hexene and trans-3-hexene stereoisomers?...Ch. 7.4 - Prob. 6P Ch. 7.4 - Prob. 7P Ch. 7.4 - Give the IUPAC name of each of the compounds in...Ch. 7.5 - Arrange the following in order of increasing...Ch. 7.6 - Prob. 10P

Solution Summary: The author explains the structure of carbocation intermediates formed by hydride and methyl shift and the pathway that will predominate.

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Chapter 7 Solutions