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Benzoic acid reacts with ______ to give ammonium benzoate salt, which on further dehydration gives benzamide.

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in Chemistry – Class 12 by (188k points)
Benzoic acid reacts with ______ to give ammonium benzoate salt, which on further dehydration gives benzamide.

(a) N2

(b) NH3

(c) NH4OH

(d) HNO3

The question was asked during a job interview.

My doubt is from Carboxylic Acids Chemical Reactions topic in chapter Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

1 Answer

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Best answer
Correct choice is (b) NH3

Best explanation: Benzoic acid reacts with ammonia in a reversible reaction to form ammonium benzoate by addition reaction. This salt then loses water on heating to form benzamide.

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