Find the number of stereoisomers of 1,2-dihydroxy cyclopentane.

Find the number of stereoisomers of 1,2-dihydroxy cyclopentane.
  1. 1
  2. 2
  3. 3
  4. 4

Solution

Symmetrical molecule
Number of chiral carbon atoms $=2($ even $)$ Number of stereoisomers $=2^{n-1}+2^{\frac{n}{2}-1}$ $=2^{2-1}+2^{\frac{2}{2}-1}=2^1+2^0=2+1=3$

Asked in: NEET 2022 (Phase 2)

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