The products for the given reaction have to be identified. Concept Introduction: Ketals: Ketals are used to protect the carbonyl group of the ketone . In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol. Example: In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively. General scheme: Hydrolysis of Ketal: Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction. General scheme:

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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 12.9, Problem 25P

(a)

Interpretation Introduction

Interpretation: The products for the given reaction have to be identified.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

(b)

Interpretation Introduction

Interpretation: The products for the given reaction have to be found.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

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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 12.9, Problem 25P

(a)

Interpretation Introduction

Interpretation: The products for the given reaction have to be identified.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

(b)

Interpretation Introduction

Interpretation: The products for the given reaction have to be found.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

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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 12.9, Problem 25P

(a)

Interpretation Introduction

Interpretation: The products for the given reaction have to be identified.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

(b)

Interpretation Introduction

Interpretation: The products for the given reaction have to be found.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

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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 12.9, Problem 25P

(a)

Interpretation Introduction

Interpretation: The products for the given reaction have to be identified.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

(b)

Interpretation Introduction

Interpretation: The products for the given reaction have to be found.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

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Answer 5

Chapter 12.9, Problem 25P

(a)

Interpretation Introduction

Interpretation: The products for the given reaction have to be identified.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

(b)

Interpretation Introduction

Interpretation: The products for the given reaction have to be found.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

Answer 6

Chapter 12.9, Problem 25P

(a)

Interpretation Introduction

Interpretation: The products for the given reaction have to be identified.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

Answer 7

Chapter 12.9, Problem 25P

(a)

Interpretation Introduction

Interpretation: The products for the given reaction have to be identified.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

Answer 8

(b)

Interpretation Introduction

Interpretation: The products for the given reaction have to be found.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

Answer 9

(b)

Interpretation Introduction

Interpretation: The products for the given reaction have to be found.

Concept Introduction:

Ketals:

Ketals are used to protect the carbonyl group of the ketone.

In the following example, the carbonyl group of the acetone has been protected as ketal by using ethylene glycol.

Example:

In acidic condition, a ketone reacts with two molecules of alcohol or a molecule of diol to form ketal or cyclic ketal respectively.

General scheme:

Hydrolysis of Ketal:

Hydrolysis of ketal gives back the corresponding alcohol and the corresponding ketone from which the ketal has been formed. The hydrolysis takes place only in acidic conditions. So, the hydrolysis of ketal is an acid-catalyzed hydrolysis reaction.

General scheme:

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 12.1 - Prob. 1P Ch. 12.1 - Name the following compounds:Ch. 12.1 - Prob. 3P Ch. 12.1 - Prob. 4P Ch. 12.2 - Prob. 5P Ch. 12.4 - Draw the structure for each of the following: a....Ch. 12.4 - Prob. 7P Ch. 12.5 - What products are formed when the following...Ch. 12.5 - Prob. 9P Ch. 12.5 - Prob. 10P

Solution Summary: The author explains that Ketals are used to protect the carbonyl group of the ketone.

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Chapter 12 Solutions