(a) Interpretation: The products obtained from the reaction of lactobionic acid and 1 M aqueous HCl are to be stated. Concept introduction: The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

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Answer 1

Question

Chapter 24, Problem 24.31P

Interpretation Introduction

(a)

Interpretation:

The products obtained from the reaction of lactobionic acid and 1 M aqueous HCl are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Interpretation Introduction

(b)

Interpretation:

The products obtained from the reaction (+)-lactose and dimethyl sulfate in presence of NaOH are to be stated.

Concept introduction:

The methylation of the hydroxyl group of sugars is an important reaction. The methylation of hydroxyl groups is done with the help of methylating agent, dimethyl sulfate in the presence of strong base sodium hydroxide.

Interpretation Introduction

(c)

Interpretation:

The products obtained from the reaction product of part (b) and 1 M aqueous H2SO4 are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

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Students have asked these similar questions

The structural formula for the open-chain form of D-mannose is CH НО—С—Н Но-с—н Н—С—ОН Н—ҫ—ОН CH-OН (a) Is this molecule a sugar? (b) How many chiral carbons are present in the molecule? (c) Draw the structure of the six-member-ring form of this molecule.

Draw structures corresponding to the following IUPAC names: (a) cis-1,2-Cyclohexanedicarboxylic acid (b) Heptanedioic acid (c) 2-Hexen-4-ynoic acid

The structural formula for the open-chain form of galactose is CH Н—ҫ—ОН Но—С—н НО—С—Н Н—ҫ—ОН CH-ОН (a) Is this molecule a sugar? (b) How many chiral carbons are present in the molecule? (C) Draw the structure of the six-member-ring form of this molecule.

Answer 2

Question

Chapter 24, Problem 24.31P

Interpretation Introduction

(a)

Interpretation:

The products obtained from the reaction of lactobionic acid and 1 M aqueous HCl are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Interpretation Introduction

(b)

Interpretation:

The products obtained from the reaction (+)-lactose and dimethyl sulfate in presence of NaOH are to be stated.

Concept introduction:

The methylation of the hydroxyl group of sugars is an important reaction. The methylation of hydroxyl groups is done with the help of methylating agent, dimethyl sulfate in the presence of strong base sodium hydroxide.

Interpretation Introduction

(c)

Interpretation:

The products obtained from the reaction product of part (b) and 1 M aqueous H2SO4 are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

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Answer 3

Question

Chapter 24, Problem 24.31P

Interpretation Introduction

(a)

Interpretation:

The products obtained from the reaction of lactobionic acid and 1 M aqueous HCl are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Interpretation Introduction

(b)

Interpretation:

The products obtained from the reaction (+)-lactose and dimethyl sulfate in presence of NaOH are to be stated.

Concept introduction:

The methylation of the hydroxyl group of sugars is an important reaction. The methylation of hydroxyl groups is done with the help of methylating agent, dimethyl sulfate in the presence of strong base sodium hydroxide.

Interpretation Introduction

(c)

Interpretation:

The products obtained from the reaction product of part (b) and 1 M aqueous H2SO4 are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

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Answer 4

Question

Chapter 24, Problem 24.31P

Interpretation Introduction

(a)

Interpretation:

The products obtained from the reaction of lactobionic acid and 1 M aqueous HCl are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Interpretation Introduction

(b)

Interpretation:

The products obtained from the reaction (+)-lactose and dimethyl sulfate in presence of NaOH are to be stated.

Concept introduction:

The methylation of the hydroxyl group of sugars is an important reaction. The methylation of hydroxyl groups is done with the help of methylating agent, dimethyl sulfate in the presence of strong base sodium hydroxide.

Interpretation Introduction

(c)

Interpretation:

The products obtained from the reaction product of part (b) and 1 M aqueous H2SO4 are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

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Answer 5

Chapter 24, Problem 24.31P

Interpretation Introduction

(a)

Interpretation:

The products obtained from the reaction of lactobionic acid and 1 M aqueous HCl are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Interpretation Introduction

(b)

Interpretation:

The products obtained from the reaction (+)-lactose and dimethyl sulfate in presence of NaOH are to be stated.

Concept introduction:

The methylation of the hydroxyl group of sugars is an important reaction. The methylation of hydroxyl groups is done with the help of methylating agent, dimethyl sulfate in the presence of strong base sodium hydroxide.

Interpretation Introduction

(c)

Interpretation:

The products obtained from the reaction product of part (b) and 1 M aqueous H2SO4 are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Answer 6

Chapter 24, Problem 24.31P

Interpretation Introduction

(a)

Interpretation:

The products obtained from the reaction of lactobionic acid and 1 M aqueous HCl are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Answer 7

Chapter 24, Problem 24.31P

Interpretation Introduction

(a)

Interpretation:

The products obtained from the reaction of lactobionic acid and 1 M aqueous HCl are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The products obtained from the reaction (+)-lactose and dimethyl sulfate in presence of NaOH are to be stated.

Concept introduction:

The methylation of the hydroxyl group of sugars is an important reaction. The methylation of hydroxyl groups is done with the help of methylating agent, dimethyl sulfate in the presence of strong base sodium hydroxide.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The products obtained from the reaction (+)-lactose and dimethyl sulfate in presence of NaOH are to be stated.

Concept introduction:

The methylation of the hydroxyl group of sugars is an important reaction. The methylation of hydroxyl groups is done with the help of methylating agent, dimethyl sulfate in the presence of strong base sodium hydroxide.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The products obtained from the reaction product of part (b) and 1 M aqueous H2SO4 are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The products obtained from the reaction product of part (b) and 1 M aqueous H2SO4 are to be stated.

Concept introduction:

The hydrolysis of the disaccharides is done in the presence of acid as a catalyst. The hydrolysis of the disaccharide is the breaking of the glycosidic linkage to give two monosaccharides units. Glycosidic linkage is an acetal linkage and acetal linkage hydrolysis takes place in the presence of an acidic solution.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 24 - Prob. 24.1P Ch. 24 - Prob. 24.2P Ch. 24 - Prob. 24.3P Ch. 24 - Prob. 24.4P Ch. 24 - Prob. 24.5P Ch. 24 - Prob. 24.6P Ch. 24 - Prob. 24.7P Ch. 24 - Prob. 24.8P Ch. 24 - Prob. 24.9P Ch. 24 - Prob. 24.10P

Solution Summary: The author explains that the hydrolysis of the disaccharides is done in the presence of acid as a catalyst.

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Chapter 24 Solutions