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Multiple Choice
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1

Glucose is:
A)An aldohexose
B)An aldopentose
C)A ketohexose
D)A ketopentose
E)None of these
2

Fructose is:
A)An aldohexose
B)An aldopentose
C)A ketohexose
D)A ketopentose
E)None of these
3

Ribose is:
A)An aldohexose
B)An aldopentose
C)A ketohexose
D)A ketopentose
E)None of these
4

How many chiral carbons are there in the open chain form of glucose?
A)1
B)2
C)3
D)4
E)5
5

How many chiral carbons are there in a-D-glucose?
A)1
B)2
C)3
D)4
E)5
6

How many chiral carbons are there in the open chain form of fructose?
A)1
B)2
C)3
D)4
E)5
7

How many chiral carbons are there in a-D-fructose?
A)1
B)2
C)3
D)4
E)5
8

Carbon 1 of the glucose moiety of sucrose is:
A)An acetal
B)A hemiacetal
C)A ketal
D)A hemiketal
E)None of these
9

Carbon 2 of the fructose moiety of sucrose is:
A)An acetal
B)A hemiacetal
C)A ketal
D)A hemiketal
E)None of these
10

A certain sugar is a D-aldopentose. The geometry around which carbon determines the D-nature?
A)1
B)2
C)3
D)4
E)5





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