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Q.
What is the possible number of stereoisomers for 2, 3-dichlorobutane?
NTA AbhyasNTA Abhyas 2022
Solution:
The maximum number of stereoisomers are $2^{n}$ where n = number of chiral centres. In this example, there are two chiral centres, but this compound also exist in 'meso form'. Hence, the number of stereoisomers of this compound $=2^{2}-1=3$ .
