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Question

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

A
1
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B
2
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C
3
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D
4
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Solution

The correct option is B 2

The number of optically active stereoisomers possible for 2,3−diol is 2. They are d,l isomers which are optically active. The meso- compound is optically inactive due to internal compensation. Hence, option B is correct.


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