Organic Chemistry Basics 1 Question 15

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

(1997, 1M)

(a) 1

(b) 2

(c) 3

(d) 4

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Answer:

Correct Answer: 15. (b)

Solution:

15.

I

II

III

I and II are optically active while III is optically inactive (meso form).