Assertion : The lactic acid shows the geometrical isomerism. Reason : Lactic acid has carbon-carbon double…

Assertion : The lactic acid shows the geometrical isomerism. Reason : Lactic acid has carbon-carbon double bond.
  1. both assertion and reason are true and reason is the correct explanation of assertion.
  2. both assertion and reason are true but reason is not the correct explanation of assertion.
  3. assertion is true but reason is false.
  4. both assertion and reason are false.

Solution

2-Hydroxy propanoic acid is known as lactic acid. It has following structure-
It has no carbon-carbon double bond and hence cannot show geometrical isomerism. However, it shows optical isomerism due to the presence of a chiral carbon atom.

Asked in: NEET 2020 (Phase 2)

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