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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Answer 1

Question

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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Students have asked these similar questions

For each of the following reactions, (1) decide whether an E2 or an E1 occurs, and (2) draw the major elimination product:

Determine if the conditions in each reaction below will favor an SN2 or an E2 mechanism as the major pathway. Then draw the major product that results. Draw the major product predicted for the following reactions.

Determine if the conditions in each reaction below will favor an SN2 or an E2 mechanism as the major pathway. Then draw the major product that results.

Answer 2

Question

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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Answer 3

Question

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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Answer 4

Question

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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Answer 5

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.

Answer 6

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.

Answer 7

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.

Answer 8

(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.

Answer 9

(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.

Answer 10

(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.

Answer 11

(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.

Answer 12

(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.

Answer 13

(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.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 9.1 - Prob. 3P Ch. 9.1 - Does increasing the energy barrier for an SN2...Ch. 9.1 - Rank the following alkyl bromides from most...Ch. 9.1 - Prob. 8P Ch. 9.2 - Prob. 9P Ch. 9.2 - Prob. 10P Ch. 9.2 - Prob. 11P Ch. 9.2 - Prob. 12P Ch. 9.2 - Which substitution reaction lakes place more...Ch. 9.2 - Prob. 15P

Solution Summary: The author explains that E1 reaction is a unimolecular elimination reaction in which rate of the reaction depends on the concentration of alkyl halide.

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