Optical Isomerism in Octahedral Coordination of Bidentate Ligands
HOOC-CHOH-CHO...
Question
HOOC−CH(OH)−CH(OH)−CH(OH)−COOH
What is the number of optically inactive isomers in the given above compound?
A
2
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B
1
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C
0
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D
3
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Solution
The correct option is A2 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.