a) Interpretation: The product obtained in the aldol reaction of butanal is to be given. Concept introduction: Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone. To give: The product obtained in the aldol reaction of butanal.

Question

Indicate the type of bond that is considered to be a hydrogen bond.(A). Permanent dipole-dipole interaction between polar molecules.(B). Mixed ionic-covalent bond.(C). Principal interatomic bond(D). Van del Waals forces.

Answer 1

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 23.1, Problem 1P

Interpretation Introduction

a)

Interpretation:

The product obtained in the aldol reaction of butanal is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of butanal.

Interpretation Introduction

b)

Interpretation:

The product obtained in the aldol reaction of acetophenone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of acetophenone.

Interpretation Introduction

c)

Interpretation:

The product obtained in the aldol reaction of cyclopentanone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of cyclopentanone.

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Indicate the type of bond that is considered to be a hydrogen bond.(A). Permanent dipole-dipole interaction between polar molecules.(B). Mixed ionic-covalent bond.(C). Principal interatomic bond(D). Van del Waals forces.

Retro aldol: NaOH H₂O H NaOH & d H₂O H

Draw the product of the reaction shown below. Ignore inorganic byproducts. H conc. HBr Drawing Q

Answer 2

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 23.1, Problem 1P

Interpretation Introduction

a)

Interpretation:

The product obtained in the aldol reaction of butanal is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of butanal.

Interpretation Introduction

b)

Interpretation:

The product obtained in the aldol reaction of acetophenone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of acetophenone.

Interpretation Introduction

c)

Interpretation:

The product obtained in the aldol reaction of cyclopentanone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of cyclopentanone.

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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 aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 23.1, Problem 1P

Interpretation Introduction

a)

Interpretation:

The product obtained in the aldol reaction of butanal is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of butanal.

Interpretation Introduction

b)

Interpretation:

The product obtained in the aldol reaction of acetophenone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of acetophenone.

Interpretation Introduction

c)

Interpretation:

The product obtained in the aldol reaction of cyclopentanone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of cyclopentanone.

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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 aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 23.1, Problem 1P

Interpretation Introduction

a)

Interpretation:

The product obtained in the aldol reaction of butanal is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of butanal.

Interpretation Introduction

b)

Interpretation:

The product obtained in the aldol reaction of acetophenone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of acetophenone.

Interpretation Introduction

c)

Interpretation:

The product obtained in the aldol reaction of cyclopentanone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of cyclopentanone.

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Answer 5

Chapter 23.1, Problem 1P

Interpretation Introduction

a)

Interpretation:

The product obtained in the aldol reaction of butanal is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of butanal.

Interpretation Introduction

b)

Interpretation:

The product obtained in the aldol reaction of acetophenone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of acetophenone.

Interpretation Introduction

c)

Interpretation:

The product obtained in the aldol reaction of cyclopentanone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of cyclopentanone.

Answer 6

Chapter 23.1, Problem 1P

Interpretation Introduction

a)

Interpretation:

The product obtained in the aldol reaction of butanal is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of butanal.

Answer 7

Chapter 23.1, Problem 1P

Interpretation Introduction

a)

Interpretation:

The product obtained in the aldol reaction of butanal is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of butanal.

Answer 8

Interpretation Introduction

b)

Interpretation:

The product obtained in the aldol reaction of acetophenone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of acetophenone.

Answer 9

Interpretation Introduction

b)

Interpretation:

The product obtained in the aldol reaction of acetophenone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of acetophenone.

Answer 10

Interpretation Introduction

c)

Interpretation:

The product obtained in the aldol reaction of cyclopentanone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of cyclopentanone.

Answer 11

Interpretation Introduction

c)

Interpretation:

The product obtained in the aldol reaction of cyclopentanone is to be given.

Concept introduction:

Aldehydes and ketones with α-hydrogen undergo a base catalyzed carbonyl condensation reaction in aldol condensation. In this reaction two molecules of the reactant combine by forming a bond between α-carbon of one molecule and the carbonyl carbon of the second molecule. The product is a β-hydroxyaldehyde or ketone.

To give:

The product obtained in the aldol reaction of cyclopentanone.

Answer 12

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Answer 23

Ch. 23.1 - Prob. 1P Ch. 23.1 - Prob. 2P Ch. 23.3 - Prob. 3P Ch. 23.3 - Prob. 4P Ch. 23.4 - Prob. 5P Ch. 23.4 - 1-Butanol is prepared commercially by a route that...Ch. 23.4 - Prob. 7P Ch. 23.5 - Prob. 8P Ch. 23.6 - Prob. 9P Ch. 23.6 - What product would you Expect to obtain from base...

Solution Summary: The author explains the product obtained in the aldol reaction of butanal.

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Chapter 23 Solutions