Organic Chemistry (8th Edition)
Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 9.9, Problem 30P

(a)

Interpretation Introduction

Interpretation:

Whether each of the given reaction are an E2 or an E1 occurs has to be decided and the major elimination product has to be drawn.

Concept Introduction:

E1 reaction is a unimolecular elimination reaction in which rate of the reaction depends on the concentration of alkyl halide.

The alkyl halide dissociates to form a carbocation. The base abstract a proton from the β-carbon.

An E2 reaction is favoured by a high concentration of a strong base.

An E1 reaction is favoured by a low concentration of a weak base.

(b)

Interpretation Introduction

Interpretation:

Whether each of the given reaction are an E2 or an E1 occurs has to be decided and the major elimination product has to be drawn.

Concept Introduction:

E1 reaction is a unimolecular elimination reaction in which rate of the reaction depends on the concentration of alkyl halide.

The alkyl halide dissociates to form a carbocation. The base abstract a proton from the β-carbon.

An E2 reaction is favoured by a high concentration of a strong base.

An E1 reaction is favoured by a low concentration of a weak base.

(c)

Interpretation Introduction

Interpretation:

Whether each of the given reaction are an E2 or an E1 occurs has to be decided and the major elimination product has to be drawn.

Concept Introduction:

E1 reaction is a unimolecular elimination reaction in which rate of the reaction depends on the concentration of alkyl halide.

The alkyl halide dissociates to form a carbocation. The base abstract a proton from the β-carbon.

An E2 reaction is favoured by a high concentration of a strong base.

An E1 reaction is favoured by a low concentration of a weak base.

(d)

Interpretation Introduction

Interpretation:

Whether each of the given reaction are an E2 or an E1 occurs has to be decided and the major elimination product has to be drawn.

Concept Introduction:

E1 reaction is a unimolecular elimination reaction in which rate of the reaction depends on the concentration of alkyl halide.

The alkyl halide dissociates to form a carbocation. The base abstract a proton from the β-carbon.

An E2 reaction is favoured by a high concentration of a strong base.

An E1 reaction is favoured by a low concentration of a weak base.

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