$CH_3NH_2 + CHCl_3 + 3KOH \rightarrow X + Y + 3H_2O$;
Compounds $X$ and $Y$ are:

For the given compounds:
$I$: Pyridine
$II$: Pyrrole
$III$: $3$-Pyrroline
$IV$: Guanidine
The correct statement is:

When aniline is treated with sodium nitrite and hydrochloric acid at $0\,^{\circ}C$,it gives:

The following two reactions give the same foul-smelling product $Z$. $C_2H_5Cl \xrightarrow{X} Z$ and $C_2H_5CONH_2 \xrightarrow{Br_2, NaOH} Y \xrightarrow{CHCl_3/ethanolic KOH, \Delta} Z$. $X$ and $Z$,respectively,are:

The compound that will react most readily with $NaOH$ to form methanol is

The major product formed by the reaction of benzylamine with nitrous acid is