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How many optically active stereoisomers ...

How many optically active stereoisomers are possible for butane-2, 3-diol ?

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
D
The structure of butane-2, 3-idol is as :
`" "CH_(3)-underset(underset(OH)(|))overset(overset(H)(|))(C^(star))-underset(underset(OH)(|))overset(overset(H)(|))(C^(star))-CH_(3)`
`because` Optical isomers in compounds have similar asymmetric carbon atom, which are even in number `=2^(n)-1`
Here, `" "n=2`
`therefore` total number of optically active stereoisomers `=2^(2)-1=3`
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