a) Interpretation: The product expected during hydration of 4-octyne is to be given. Concept introduction: Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product. To give: The product expected during hydration of 4-octyne.

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Answer 1

Question

Chapter 9.4, Problem 4P

Interpretation Introduction

a)

Interpretation:

The product expected during hydration of 4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The product expected during hydration of 4-octyne.

b)

Interpretation Introduction

Interpretation:

The product expected during hydration of 2-methyl-4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The products expected during hydration of 2-methyl-4-octyne.

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I find the solution way too brief and unsatisfactory as it does not clearly explain the solution provided in the problem.

Please correct answer and don't used hand raiting

Answer 2

Question

Chapter 9.4, Problem 4P

Interpretation Introduction

a)

Interpretation:

The product expected during hydration of 4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The product expected during hydration of 4-octyne.

b)

Interpretation Introduction

Interpretation:

The product expected during hydration of 2-methyl-4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The products expected during hydration of 2-methyl-4-octyne.

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Answer 3

Question

Chapter 9.4, Problem 4P

Interpretation Introduction

a)

Interpretation:

The product expected during hydration of 4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The product expected during hydration of 4-octyne.

b)

Interpretation Introduction

Interpretation:

The product expected during hydration of 2-methyl-4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The products expected during hydration of 2-methyl-4-octyne.

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Answer 4

Question

Chapter 9.4, Problem 4P

Interpretation Introduction

a)

Interpretation:

The product expected during hydration of 4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The product expected during hydration of 4-octyne.

b)

Interpretation Introduction

Interpretation:

The product expected during hydration of 2-methyl-4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The products expected during hydration of 2-methyl-4-octyne.

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Answer 5

Chapter 9.4, Problem 4P

Interpretation Introduction

a)

Interpretation:

The product expected during hydration of 4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The product expected during hydration of 4-octyne.

b)

Interpretation Introduction

Interpretation:

The product expected during hydration of 2-methyl-4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The products expected during hydration of 2-methyl-4-octyne.

Answer 6

Chapter 9.4, Problem 4P

Interpretation Introduction

a)

Interpretation:

The product expected during hydration of 4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The product expected during hydration of 4-octyne.

Answer 7

Chapter 9.4, Problem 4P

Interpretation Introduction

a)

Interpretation:

The product expected during hydration of 4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The product expected during hydration of 4-octyne.

Answer 8

b)

Interpretation Introduction

Interpretation:

The product expected during hydration of 2-methyl-4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The products expected during hydration of 2-methyl-4-octyne.

Answer 9

b)

Interpretation Introduction

Interpretation:

The product expected during hydration of 2-methyl-4-octyne is to be given.

Concept introduction:

Addition of water to triple bonds occurs following Markovnikov regiochemistry to yield an enol as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To give:

The products expected during hydration of 2-methyl-4-octyne.

Answer 10

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Ch. 9.1 - Prob. 1P Ch. 9.1 - Prob. 2P Ch. 9.3 - What products would you expect from the following...Ch. 9.4 - Prob. 4P Ch. 9.4 - Prob. 5P Ch. 9.4 - Prob. 6P Ch. 9.4 - Prob. 7P Ch. 9.5 - Using any alkyne needed, how would you prepare the...Ch. 9.7 - The pKa of acetone, CH3COCH3, is 19.3. Which of...Ch. 9.8 - Prob. 10P

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