(a) Interpretation: The reason as to why the lactose is a reducing sugar is to be stated using structural characteristics. Concept introduction: Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

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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 17, Problem 17.50E

Interpretation Introduction

(a)

Interpretation:

The reason as to why the lactose is a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Interpretation Introduction

(b)

Interpretation:

The reason as to why the sucrose is not a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

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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 17, Problem 17.50E

Interpretation Introduction

(a)

Interpretation:

The reason as to why the lactose is a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Interpretation Introduction

(b)

Interpretation:

The reason as to why the sucrose is not a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

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Answer 3

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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 17, Problem 17.50E

Interpretation Introduction

(a)

Interpretation:

The reason as to why the lactose is a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Interpretation Introduction

(b)

Interpretation:

The reason as to why the sucrose is not a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

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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 17, Problem 17.50E

Interpretation Introduction

(a)

Interpretation:

The reason as to why the lactose is a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Interpretation Introduction

(b)

Interpretation:

The reason as to why the sucrose is not a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

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Answer 5

Chapter 17, Problem 17.50E

Interpretation Introduction

(a)

Interpretation:

The reason as to why the lactose is a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Interpretation Introduction

(b)

Interpretation:

The reason as to why the sucrose is not a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Answer 6

Chapter 17, Problem 17.50E

Interpretation Introduction

(a)

Interpretation:

The reason as to why the lactose is a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Answer 7

Chapter 17, Problem 17.50E

Interpretation Introduction

(a)

Interpretation:

The reason as to why the lactose is a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The reason as to why the sucrose is not a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The reason as to why the sucrose is not a reducing sugar is to be stated using structural characteristics.

Concept introduction:

Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. The carbohydrates with free aldehyde or ketone groups can act as reducing sugars. Under basic conditions weak oxidizing agents such as Tollen’s reagent and Benedict’s solution oxidize the aldehyde or ketone group of the monosaccharide.

Answer 10

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Answer 12

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Answer 13

Ch. 17 - Prob. 17.1E Ch. 17 - Describe whether each of the following substances...Ch. 17 - Prob. 17.3E Ch. 17 - Prob. 17.4E Ch. 17 - Prob. 17.5E Ch. 17 - Why are carbon atoms 1 and 3 of glyceraldehyde not...Ch. 17 - Prob. 17.7E Ch. 17 - Which of the following molecules can have...Ch. 17 - Which of the following molecules can have...Ch. 17 - Prob. 17.10E

Solution Summary: The author explains that lactose is a disaccharide, made up of simple sugars.

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