Methyl nitrile is hydrolyzed to carboxylic acid in the presence of \(H_3O^+\) as catalyst. An intermediate compound \([A]\) is formed during this reaction.

The intermediate compound [A] is:
Answer & explanation
Correct answer: option 3
The correct answer is option 3. Ethanamide.
The reaction will be as follows:

Let us look at the mechanism of the reaction:
