The compound below is treated with a concentrated aqueous KOH solution. The products obtained are:

1.
2.
3.
4.

Hint: Cannizzaro reaction.

Explantion:

Benzaldehyde is an aromatic aldehyde having no α - H. So, on reaction with aqueous KOH solution it undergoes Cannizzaro reaction to produce benzyl alcohol and potassium benzoate. The reaction is as follows: