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Question: Answered & Verified by Expert
In this reaction
CH3CHO+HCNCH3CH(OH)CNHOHCH3CH(OH)COOH
a symmetric centre is generated. The acid obtained would be
ChemistryGeneral Organic ChemistryNEET
Options:
  • A D-isomer
  • B L-isomer
  • C 50% D + 50% L-isomer
  • D 20% D + 80% L-isomer
Solution:
2479 Upvotes Verified Answer
The correct answer is: 50% D + 50% L-isomer
Lactic acid (CH3CH(OH)COOH) is an optically active compound due to the presence of asymmetric carbon atom. It exists in D- and L-form, the ratio of which is found to be (1:1), i.e., a racemic mixture is obtained.

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