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Question 42

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: A solution of the product obtained by heating a mole of glycine with a mole of chlorine in presence of red phosphorous generates chiral carbon atom.
Reason R: A molecule with 2 chiral carbons is always optically active.

Assertion A: Glycine with Cl₂ and red P undergoes Hell-Volhard-Zelinsky reaction, giving α-chloro amino acid which has a chiral carbon. True.

Reason R: A molecule with 2 chiral carbons is always optically active — False (meso compounds have 2 chiral carbons but are optically inactive).

A is true but R is false.

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