Help with Organic Carbohydrates

Practice Questions

Organic Chemistry › Help with Organic Carbohydrates

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1

What is the name of the following carbohydrate?

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2

What is the name of the following molecule?

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3

Chemists and biochemists have many ways of representing sugars. Glucose, the most common hexose, is shown below in various linear and cyclic projections. Using the linear and cyclic projection of your choice, can you indicate which colored oxygen in the linear form corresponds to the circled hemiacetal oxygen once the cyclization reaction is complete?

Q3

4

Which of the following correctly describes a reducing sugar?

5

Which of the following statements is true regarding carbohydrates?

6

Shown below is the structure of a sugar molecule.

Sugar

Which of the following is the most appropriate classification of this sugar?

7

Alpha-D-glucopyranose

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Which of the labelled carbon atoms is the anomeric carbon?

8

Alpha-D-glucopyranose:

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Glucose (pictured) is defined as which of the following?

9

Identify the aldose pictured, including its alpha or beta designation.

A d mannose

10

Which of the following ring structures represents the anomeric alpha ring structure of D-mannose?

Linear mannose

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