JEE PYQ: Coordination Compounds Question 12
Question 12 - 2021 (26 Feb Shift 2)
The number of stereoisomers possible for $[\text{Co(ox)}_2(\text{Br})(\text{NH}_3)]^{2-}$ is ____. [ox = oxalate]
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Answer: 3
Solution
$[\text{Co(ox)}_2\text{Br(NH}_3)]^{2-}$: 2 optical isomers (pair of enantiomers) + 1 optically inactive form. Total stereoisomers = 3.