The major products A and B formed in the following reaction sequence are:

Let's analyze the reaction sequence given in the image:
Therefore, the major products A and B in the given reaction sequence will be:
This corresponds to the correct answer, where product A is the amine, and product B is the phenol.
The correct order of basicity for the following heterocycles is
The major product formed in the following reaction is
The major heterocyclic compound formed in the following reaction is
The mechanism of acid catalyzed hydrolysis of benzonitrile involves