What is the number of optically inactive isomers in the given above compound?
2
0
3
1
A
2
B
3
C
1
D
0
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Solution
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The two chiral centers present in the molecule has been marked with ∗. There are maximum of four isomers possible 1, 2, 3 and 4. Out of these 1 and 2 are mesomers, 3and 4 are enantiomer pair. Therefore two are optically inactive isomers. Correct option is A.
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