Identify the product of the following reaction:
$C_6H_4(CHO)_2 + \text{conc. } NaOH \xrightarrow{\text{heat}} ?$

The Tischenko reaction yields an ester in the presence of which catalyst?

An organic compound with the molecular formula $C_9H_{10}O$ forms a $2,4-DNP$ derivative,reduces Tollens' reagent,and undergoes the Cannizzaro reaction. On vigorous oxidation,it gives $1,2-benzenedicarboxylic$ acid. Identify the compound.

Benzophenone can be converted into benzene using

The major products $A$ and $B$ for the following reactions are,respectively:

Which of the following reagents is used to distinguish between acetone and acetophenone?