Identify $X$ and $Y$ in the following reactions:

How will you carry out the following conversions?
$(i)$ Toluene $\to$ $p$-toluidine
$(ii)$ $p$-Toluidine diazonium chloride $\to$ $p$-toluic acid

Assertion : Acetamide reacts with $Br_2$ in presence of methanolic $CH_3ONa$ to form methyl $N$-methylcarbamate.
Reason : Methyl isocyanate is formed as an intermediate which reacts with methanol to form methyl $N$-methylcarbamate.

Which of the following statements is incorrect?

Identify the major product of the following reaction:

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