The hydrolysis of alkyl isocyanides $(R-CH_2-NC)$ gives:

The products $X$ and $Y$ in the following reaction sequence are:

The product$(s)$ of the following reaction sequence is(are):
Aniline $\xrightarrow[\text{ii) } KBrO_3/HBr]{\text{i) Acetic anhydride/pyridine}}$ $\xrightarrow[\text{iv) } NaNO_2/HCl, 273-278 \ K]{\text{iii) } H_3O^+, \text{heat}}$ $\xrightarrow{\text{v) } Cu/HBr} \text{Product}$

Find the correct order of acidity of the following compounds:
$(I)$ $C_6H_5NH_2$
$(II)$ $C_6H_5CONH_2$
$(III)$ Phthalimide
$(IV)$ $CH_3CH_2NH_2$

In the above conversion of compound $(X)$ to product $(Y)$,the sequence of reagents to be used will be:

In the following reaction,the reason why the meta-nitro product is also formed is: