(a) Interpretation: The structure of an L- aldopentose needs to be drawn. Concept introduction: Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Question

Want to see more full solutions like this?

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 20, Problem 21P

Interpretation Introduction

(a)

Interpretation:

The structure of an L- aldopentose needs to be drawn.

Concept introduction:

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 1

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while in L- sugars, the OH group on the bottom chiral center points to the left. Aldopentose is a five-carbon aldehyde sugar. Xylose, Arabinose and Ribose are few examples.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 2

Interpretation Introduction

(b)

Interpretation:

The structure of a D- tetrose needs to be drawn.

Concept introduction:

Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 3

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while if L-sugars, the OH group on the bottom chiral center points to the left. Aldotetrose is a four-carbon aldehyde sugar.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 4

Interpretation Introduction

(c)

Interpretation:

The structure of a five-carbon alditol needs to be drawn.

Concept introduction:

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 5

Explanation of Solution

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide. In this reduction process, an aldehyde group or a ketone group converts into −CH₂OH group. Xylitol is an example of an alditol.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 6

For an example:

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 7

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Students have asked these similar questions

how a - Cyanostilbenes are made? provide 3 different methods for their synthesis

Please correct answer and don't used hand raiting

Don't used Ai solution

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 20, Problem 21P

Interpretation Introduction

(a)

Interpretation:

The structure of an L- aldopentose needs to be drawn.

Concept introduction:

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 1

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while in L- sugars, the OH group on the bottom chiral center points to the left. Aldopentose is a five-carbon aldehyde sugar. Xylose, Arabinose and Ribose are few examples.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 2

Interpretation Introduction

(b)

Interpretation:

The structure of a D- tetrose needs to be drawn.

Concept introduction:

Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 3

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while if L-sugars, the OH group on the bottom chiral center points to the left. Aldotetrose is a four-carbon aldehyde sugar.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 4

Interpretation Introduction

(c)

Interpretation:

The structure of a five-carbon alditol needs to be drawn.

Concept introduction:

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 5

Explanation of Solution

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide. In this reduction process, an aldehyde group or a ketone group converts into −CH₂OH group. Xylitol is an example of an alditol.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 6

For an example:

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 7

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

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 20, Problem 21P

Interpretation Introduction

(a)

Interpretation:

The structure of an L- aldopentose needs to be drawn.

Concept introduction:

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 1

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while in L- sugars, the OH group on the bottom chiral center points to the left. Aldopentose is a five-carbon aldehyde sugar. Xylose, Arabinose and Ribose are few examples.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 2

Interpretation Introduction

(b)

Interpretation:

The structure of a D- tetrose needs to be drawn.

Concept introduction:

Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 3

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while if L-sugars, the OH group on the bottom chiral center points to the left. Aldotetrose is a four-carbon aldehyde sugar.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 4

Interpretation Introduction

(c)

Interpretation:

The structure of a five-carbon alditol needs to be drawn.

Concept introduction:

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 5

Explanation of Solution

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide. In this reduction process, an aldehyde group or a ketone group converts into −CH₂OH group. Xylitol is an example of an alditol.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 6

For an example:

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 7

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

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 20, Problem 21P

Interpretation Introduction

(a)

Interpretation:

The structure of an L- aldopentose needs to be drawn.

Concept introduction:

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 1

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while in L- sugars, the OH group on the bottom chiral center points to the left. Aldopentose is a five-carbon aldehyde sugar. Xylose, Arabinose and Ribose are few examples.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 2

Interpretation Introduction

(b)

Interpretation:

The structure of a D- tetrose needs to be drawn.

Concept introduction:

Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 3

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while if L-sugars, the OH group on the bottom chiral center points to the left. Aldotetrose is a four-carbon aldehyde sugar.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 4

Interpretation Introduction

(c)

Interpretation:

The structure of a five-carbon alditol needs to be drawn.

Concept introduction:

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 5

Explanation of Solution

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide. In this reduction process, an aldehyde group or a ketone group converts into −CH₂OH group. Xylitol is an example of an alditol.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 6

For an example:

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 7

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 20, Problem 21P

Interpretation Introduction

(a)

Interpretation:

The structure of an L- aldopentose needs to be drawn.

Concept introduction:

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 1

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while in L- sugars, the OH group on the bottom chiral center points to the left. Aldopentose is a five-carbon aldehyde sugar. Xylose, Arabinose and Ribose are few examples.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 2

Interpretation Introduction

(b)

Interpretation:

The structure of a D- tetrose needs to be drawn.

Concept introduction:

Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 3

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while if L-sugars, the OH group on the bottom chiral center points to the left. Aldotetrose is a four-carbon aldehyde sugar.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 4

Interpretation Introduction

(c)

Interpretation:

The structure of a five-carbon alditol needs to be drawn.

Concept introduction:

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 5

Explanation of Solution

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide. In this reduction process, an aldehyde group or a ketone group converts into −CH₂OH group. Xylitol is an example of an alditol.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 6

For an example:

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 7

Answer 6

Chapter 20, Problem 21P

Interpretation Introduction

(a)

Interpretation:

The structure of an L- aldopentose needs to be drawn.

Concept introduction:

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 1

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while in L- sugars, the OH group on the bottom chiral center points to the left. Aldopentose is a five-carbon aldehyde sugar. Xylose, Arabinose and Ribose are few examples.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 2

Answer 7

Chapter 20, Problem 21P

Interpretation Introduction

(a)

Interpretation:

The structure of an L- aldopentose needs to be drawn.

Concept introduction:

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Answer 8

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 1

Answer 9

Expert Solution

Answer 10

Expert Solution

Answer 11

Expert Solution

Answer 12

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while in L- sugars, the OH group on the bottom chiral center points to the left. Aldopentose is a five-carbon aldehyde sugar. Xylose, Arabinose and Ribose are few examples.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 2

Answer 13

Interpretation Introduction

(b)

Interpretation:

The structure of a D- tetrose needs to be drawn.

Concept introduction:

Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 3

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while if L-sugars, the OH group on the bottom chiral center points to the left. Aldotetrose is a four-carbon aldehyde sugar.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 4

Answer 14

Interpretation Introduction

(b)

Interpretation:

The structure of a D- tetrose needs to be drawn.

Concept introduction:

Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

Answer 15

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 3

Answer 16

Expert Solution

Answer 17

Expert Solution

Answer 18

Expert Solution

Answer 19

Explanation of Solution

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while if L-sugars, the OH group on the bottom chiral center points to the left. Aldotetrose is a four-carbon aldehyde sugar.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 4

Answer 20

Interpretation Introduction

(c)

Interpretation:

The structure of a five-carbon alditol needs to be drawn.

Concept introduction:

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 5

Explanation of Solution

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide. In this reduction process, an aldehyde group or a ketone group converts into −CH₂OH group. Xylitol is an example of an alditol.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 6

For an example:

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 7

Answer 21

Interpretation Introduction

(c)

Interpretation:

The structure of a five-carbon alditol needs to be drawn.

Concept introduction:

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.

Answer 22

Expert Solution

Answer to Problem 21P

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 5

Answer 23

Expert Solution

Answer 24

Expert Solution

Answer 25

Expert Solution

Answer 26

Explanation of Solution

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide. In this reduction process, an aldehyde group or a ketone group converts into −CH₂OH group. Xylitol is an example of an alditol.

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 6

For an example:

General, Organic, and Biological Chemistry - 4th edition, Chapter 20, Problem 21P , additional homework tip 7

Answer 27

Ch. 20.1 - Label the hemiacetal carbonthe carbon bonded to...Ch. 20.2 - Prob. 20.1PP Ch. 20.2 - Prob. 20.2P Ch. 20.2 - Prob. 20.3P Ch. 20.2 - Prob. 20.4P Ch. 20.2 - Prob. 20.5P Ch. 20.2 - Prob. 20.2PP Ch. 20.2 - Prob. 20.6P Ch. 20.2 - Prob. 20.7P Ch. 20.3 - Prob. 20.8P

(a) Interpretation: The structure of an L- aldopentose needs to be drawn. Concept introduction: Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Concept explainers

(a)

Interpretation:

The structure of an L- aldopentose needs to be drawn.

Concept introduction:

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Answer to Problem 21P

Explanation of Solution

(b)

Interpretation:

The structure of a D- tetrose needs to be drawn.

Concept introduction:

Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

Answer to Problem 21P

Explanation of Solution

(c)

Interpretation:

The structure of a five-carbon alditol needs to be drawn.

Concept introduction:

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.

Answer to Problem 21P

Explanation of Solution

Want to see more full solutions like this?

Chapter 20 Solutions

(a) Interpretation: The structure of an L- aldopentose needs to be drawn. Concept introduction: Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Concept explainers

(a) Interpretation: The structure of an L- aldopentose needs to be drawn. Concept introduction: Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

Answer to Problem 21P

Explanation of Solution

(b) Interpretation: The structure of a D- tetrose needs to be drawn. Concept introduction: Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

Answer to Problem 21P

Explanation of Solution

(c) Interpretation: The structure of a five-carbon alditol needs to be drawn. Concept introduction: Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.

Answer to Problem 21P

Explanation of Solution

Want to see more full solutions like this?

Chapter 20 Solutions

(a)

Interpretation:

The structure of an L- aldopentose needs to be drawn.

Concept introduction:

Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon aldehyde sugar.

(b)

Interpretation:

The structure of a D- tetrose needs to be drawn.

Concept introduction:

Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.

(c)

Interpretation:

The structure of a five-carbon alditol needs to be drawn.

Concept introduction:

Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide.