Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces
Correct answer: D. Amide
- A. Carbonates
- B. Alkane
- C. Ester
- D. Amide
Explanation
The ammonium carboxylate loses a molecule of water on strong heating and the nitrogen ends up bonded directly to the carbonyl carbon, giving an amide. An ester would require an alcohol rather than ammonia, which is the standard confusion here. The amide link formed in this way is the same one that joins amino acids in a protein.
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About Carboxylic Acid Derivatives
Carboxylic acid derivatives include acid halides, acid anhydrides, esters and amides, formed by replacing the hydroxyl group of a carboxylic acid. Their nomenclature, structures, preparation, hydrolysis and relative reactivity are linked through nucleophilic acyl substitution, which differs from the nucleophilic addition reactions of aldehydes and ketones.
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550 free Carboxylic Acids MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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