The reaction $C_6H_5CHO + CH_3CHO \to C_6H_5CH=CHCHO + H_2O$ is known as:

The product $P$ in the above reaction is

Which of the following does not undergo Cannizzaro's reaction?

Explain the cross aldol condensation reaction.

The above conversion can be carried out by:

Consider the following sequence of reactions:
$2-\text{benzylbenzoic acid}$ $\xrightarrow[2. \text{anhyd. } AlCl_3]{1. SOCl_2} A$ $\xrightarrow{Zn-Hg, \text{Conc. } HCl} B$
The end product $(B)$ is: