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How many stereoisomers would you expect ...

How many stereoisomers would you expect for a ketopentose?

A

Four

B

Eight

C

Sixteen

D

Two

Text Solution

Verified by Experts

The correct Answer is:
A
The structure of a ketopentose is
`HOCH_(2) CO (CHOH)_(2) CH_(2) OH`
It has 2 structurally different asymmetric `C` atoms. Therefore it exists in four stereoisomeric forms.
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