(a) Interpretation: The reaction and complete, detailed mechanism for the reaction is to be drawn. Concept introduction: Acid-catalyzed hydration of an alkyne produces a ketone . Step 1 is the electrophilic addition of H + , which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

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Answer 1

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 11, Problem 11.40P

Interpretation Introduction

(a)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Interpretation Introduction

(b)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

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Answer 2

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 11, Problem 11.40P

Interpretation Introduction

(a)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Interpretation Introduction

(b)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

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Answer 3

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 11, Problem 11.40P

Interpretation Introduction

(a)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Interpretation Introduction

(b)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

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Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 11, Problem 11.40P

Interpretation Introduction

(a)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Interpretation Introduction

(b)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

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Answer 5

Chapter 11, Problem 11.40P

Interpretation Introduction

(a)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Interpretation Introduction

(b)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Answer 6

Chapter 11, Problem 11.40P

Interpretation Introduction

(a)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Answer 7

Chapter 11, Problem 11.40P

Interpretation Introduction

(a)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The reaction and complete, detailed mechanism for the reaction is to be drawn.

Concept introduction:

Acid-catalyzed hydration of an alkyne produces a ketone. Step 1 is the electrophilic addition of H+, which gives a resonance-stabilized vinylic carbocation intermediate. In step 2, water behaves as a nucleophile, attacking the positively charged C of that intermediate. Deprotonation in Step 3 produces the uncharged OH group, which is attached to the alkene C. The product of it is an enol. Under acidic conditions, the enol rapidly tautomerizes to the more stable keto form.

Answer 10

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Answer 13

Ch. 11 - Prob. 11.1P Ch. 11 - Prob. 11.2P Ch. 11 - Prob. 11.3P Ch. 11 - Prob. 11.4P Ch. 11 - Prob. 11.5P Ch. 11 - Prob. 11.6P Ch. 11 - Prob. 11.7P Ch. 11 - Prob. 11.8P Ch. 11 - Prob. 11.9P Ch. 11 - Prob. 11.10P

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