The product for the given reaction and the mechanism has to be determined. Concept introduction: Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr . The allylic carbocation is formed as an intermediate by the addition of proton in HBr . The Br − (nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate. Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same. For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

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Answer 1

Question

Chapter 16.4, Problem 6PTS

(a)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(b)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in the HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(c)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

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Answer 2

Question

Chapter 16.4, Problem 6PTS

(a)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(b)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in the HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(c)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

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Answer 3

Question

Chapter 16.4, Problem 6PTS

(a)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(b)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in the HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(c)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

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Answer 4

Question

Chapter 16.4, Problem 6PTS

(a)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(b)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in the HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(c)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

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Answer 5

Chapter 16.4, Problem 6PTS

(a)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(b)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in the HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

(c)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

Answer 6

Chapter 16.4, Problem 6PTS

(a)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

Answer 7

Chapter 16.4, Problem 6PTS

(a)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in the HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in the HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The product for the given reaction and the mechanism has to be determined.

Concept introduction:

Conjugated Dienes undergoes addition reactions with HBr as similar to simple alkenes addition with HBr.

The allylic carbocation is formed as an intermediate by the addition of proton in HBr.

The Br−(nucleophilic) can attacks in either of the two resonance stabilized carbocation’s in the allylic intermediate.

Symmetrical diene like butadiene will produce only two products. Because the intermediates allylic carbocation formed are same.

For the Butadiene derivatives, there are four carbons for addition of proton, but at C1 and C4 carbons only forms the allylic carbocation.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 16.1 - Prob. 1CC Ch. 16.2 - Prob. 2CC Ch. 16.2 - Prob. 3CC Ch. 16.2 - Prob. 4CC Ch. 16.3 - Prob. 5CC Ch. 16.4 - Prob. 1LTS Ch. 16.4 - Prob. 6PTS Ch. 16.4 - Prob. 7PTS Ch. 16.4 - Prob. 8ATS Ch. 16.5 - Prob. 2LTS

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