Given below are two statements : one is labeled as Assertion (A) and the other is labeled as Reason (R).
Assertion (A) : $α$ - halocarboxylic acid on reaction with dil NH₃ gives good yield of $α$ -amino Carboxylic acid whereas the yield of amines is very low when prepared from alkyl halides.
Reason (R): Amino acids exist in zwitter ion form in aqueous medium. In the light of the above statements, choose the correct answer from the options given below:

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Both (A) and (R) are correct and (R) is the correct explanation of (A)

(A) is correct but (R) is not correct

(A) is not correct but (R) is correct

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

answer is B.

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Detailed Solution

$α$ - halo carboxylic acid is readily involved in nucleophilic substitution compared to alkyl halide. Due to electron with drawing carboxylic group and neighboring group participation. Zwitter ion formation in aqueous medium increases the stability due to attractions. So that (A) and (R) are correct and (R) is the correct explanation of (A)

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