Benzaldehyde and acetaldehyde can be differentiated by

The product $(P)$ is formed by the reaction of cyclohexanone with $2$ equivalents of ethanol in the presence of an acid catalyst. The reaction is given as:
Cyclohexanone $+ 2EtOH \xrightarrow{H^+} (P)$
Product $(P)$ is:

The major product formed in the following reaction is:

$(A)$ $\xrightarrow{NH_2OH} (B)$ $\xrightarrow{H_2SO_4} (C)$ $\xrightarrow{H_3O^{\oplus}} (D) + (E)$ $\xrightarrow{CHCl_3, KOH} CH_3-NC$ (carbylamine test). $(D)$ $\xrightarrow{SOCl_2} (F)$ $\xrightarrow{(i) PhMgBr \text{ (excess) } (ii) H^{\oplus}} (G)$ $\xrightarrow[\Delta]{H^{\oplus}} (H)$ $\xrightarrow{CH_2I_2, Zn/Cu} \text{1,1-diphenylcyclopropane}$. The molecular weight of compound $(A)$ is:

The light yellow compound produced when acetone reacts with iodine and alkali is:

The product $(C)$ of the reaction is: