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easyMCQNEET 20222026Chemistry
1 mark

The incorrect statement regarding chirality is:

  1. A
    reaction yields mixture of both enantiomers.
  2. B
    The product obtained by reaction of haloalkane having chirality at the reactive site shows inversion of configuration.
  3. C
    Enantiomers are superimposable mirror images of each other.
  4. D
    A racemic mixture shows zero optical rotation.

Solution & Step-by-step Explanation

1. goes through a planar carbocation, leading to racemization. Correct.2. involves backside attack, leading to Walden inversion. Correct.3. Incorrect statement: Enantiomers are non-superimposable mirror images. Superimposable mirror images are identical (achiral).4. Equal amounts of and isomers cancel each other's rotation. Correct.

Practice this question

Try it yourself before checking the explanation above.

The incorrect statement regarding chirality is:
A
reaction yields mixture of both enantiomers.
B
The product obtained by reaction of haloalkane having chirality at the reactive site shows inversion of configuration.
C
Enantiomers are superimposable mirror images of each other.
D
A racemic mixture shows zero optical rotation.

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