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BITSAT Chemistry Aldehydes and Ketones 2020 BITSAT 2020

BITSAT Chemistry Question (2020) — Solution

Question

The alcohol product(s) of the reduction of 2 -methyl-3-pentanone with LiAlH _ 4 is (are)

Options

  1. A. a single enantiomer
  2. B. racemic mixture
  3. C. two diastereoisomers
  4. D. two structural isomers

Answer

B. racemic mixture

Step-by-step solution

The resultingcompound is C _ 3 H _ 7 CH ( OH ) C _ 2 H _ 5 which is optically inactive and reaction leads the racemisation

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