Predict respectively ' $X$ ' and ' $Y$ ' in the following reactions. $\mathrm{Ar}-\mathrm{NH}_2…
Predict respectively ' $X$ ' and ' $Y$ ' in the following reactions.
$\mathrm{Ar}-\mathrm{NH}_2 \stackrel{x}{\longrightarrow} \mathrm{Ar}-\stackrel{+}{\mathrm{N}} \equiv \mathrm{NCl}^{-} \stackrel{y}{\longrightarrow} \mathrm{Ar}-\mathrm{Cl}$
$\mathrm{NaNO}_3$ and $\mathrm{Cl}_2$
$\mathrm{NaNO}_3-\mathrm{HCl}$ and $\mathrm{HCl}$
$\mathrm{NaNO}_2-\mathrm{HCl}$ and $\mathrm{Cu} / \mathrm{HCl}$
$\mathrm{NaNO}_2-\mathrm{HCl}$ and $\mathrm{NaNH}_2$