(a) Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified. Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO 3 . The oxidation of aldoses leads to the formation of aldaric acid.

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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 26.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(b)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(c)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

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Draw the structure of: (a) a polysaccharide formed by joining D-mannose units in 1→4-β- glycosidic linkages; (b) a polysaccharide formed by joining D-glucose units in 1→6-α- glycosidic linkages. The polysaccharide in (b) is dextran, a component of dental plaque.

Draw the structure of: (a) a polysaccharide formed by joining D-mannose units in 1->4-ß-glycosidic linkages; (b) a polysaccharide formed by joining D-glucose units in 1->6-a-glycosidic linkages. The polysaccharide in (b) is dextran, a component of dental plaque.

1) Phenyl propyl ether can be obtained by reacting? 2) Raffinose is A trisaccharide which is made up of two sugar molecules of aldoses and one sugar molecule of ketoses? True or false!

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 26.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(b)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(c)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Expert Solution & Answer

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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 26.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(b)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(c)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Expert Solution & Answer

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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 26.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(b)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(c)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

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Answer 5

Chapter 26.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(b)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(c)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Answer 6

Chapter 26.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Answer 7

Chapter 26.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Answer 8

Interpretation Introduction

(b)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Answer 9

Interpretation Introduction

(b)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Answer 10

Interpretation Introduction

(c)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Answer 11

Interpretation Introduction

(c)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm HNO3. The oxidation of aldoses leads to the formation of aldaric acid.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 26.2 - Prob. 1P Ch. 26.2 - Prob. 2P Ch. 26.2 - Label each stereogenic center as R or S. a. b. c....Ch. 26.2 - Convert the ball-and-stick model to a Fischer...Ch. 26.2 - Prob. 5P Ch. 26.2 - Prob. 6P Ch. 26.3 - Prob. 7P Ch. 26.3 - Prob. 8P Ch. 26.4 - Prob. 9P Ch. 26.4 - Prob. 10P

Solution Summary: The author explains that D-erythrose is oxidized to optically inactive aldaric acid.

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Chapter 26 Solutions