The structure of hemiacetal obtained from the addition reaction of 2-pentanone with ethanol has to be drawn. Concept Introduction: Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal. Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group ( -OH ) and one alkoxy group ( -OR ) . Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups ( -OR ) is the called as acetal. A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

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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 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 13, Problem 13.81QP

(a)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of 2-pentanone with ethanol has to be drawn.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of acetophenone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of cyclopentanone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

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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 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 13, Problem 13.81QP

(a)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of 2-pentanone with ethanol has to be drawn.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of acetophenone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of cyclopentanone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

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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 13, Problem 13.81QP

(a)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of 2-pentanone with ethanol has to be drawn.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of acetophenone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of cyclopentanone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

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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 13, Problem 13.81QP

(a)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of 2-pentanone with ethanol has to be drawn.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of acetophenone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of cyclopentanone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

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Answer 5

Chapter 13, Problem 13.81QP

(a)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of 2-pentanone with ethanol has to be drawn.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of acetophenone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of cyclopentanone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

Answer 6

Chapter 13, Problem 13.81QP

(a)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of 2-pentanone with ethanol has to be drawn.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

Answer 7

Chapter 13, Problem 13.81QP

(a)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of 2-pentanone with ethanol has to be drawn.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

Answer 8

(b)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of acetophenone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

Answer 9

(b)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of acetophenone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

Answer 10

(c)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of cyclopentanone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

Answer 11

(c)

Interpretation Introduction

Interpretation:

The structure of hemiacetal obtained from the addition reaction of cyclopentanone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 13.1 - Which member in each of the following pairs will...Ch. 13.1 - Which member in each of the following pairs will...Ch. 13.1 - Prob. 13.3Q Ch. 13.1 - Prob. 13.4Q Ch. 13.2 - Prob. 13.1PP Ch. 13.2 - Prob. 13.2PP Ch. 13.2 - Prob. 13.3PP Ch. 13.2 - Prob. 13.4PP Ch. 13.2 - Prob. 13.5Q Ch. 13.2 - Write the condensed formula for each of the...

Interpretation: The structure of hemiacetal obtained from the addition reaction of acetophenone with ethanol has to be drawn. Concept Introduction: Refer to part (a).

Interpretation: The structure of hemiacetal obtained from the addition reaction of cyclopentanone with ethanol has to be drawn. Concept Introduction: Refer to part (a).

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Chapter 13 Solutions

Interpretation:

The structure of hemiacetal obtained from the addition reaction of acetophenone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).

Interpretation:

The structure of hemiacetal obtained from the addition reaction of cyclopentanone with ethanol has to be drawn.

Concept Introduction:

Refer to part (a).