The major product of the following reaction is:

Write the chemical equations for the following reactions:
$(i)$ Reimer-Tiemann reaction
$(ii)$ Kolbe's reaction

Match the reaction in Column-$I$ with the product in Column-$II$.

Column-$I$ (Reaction)	Column-$II$ (Product)
$(A)$ Dinitration of $4$-methylphenol	$(i)$ $2$-nitro-$4$-methylphenol + $2$-nitro-$5$-methylphenol
$(B)$ Mononitration of phenyl ethanoate	$(ii)$ $2,4$-dinitro-$5$-methylphenol
$(C)$ Dinitration of $3$-methylphenol	$(iii)$ $4$-nitrophenyl ethanoate
$(D)$ Mononitration of $3$-methylphenol	$(iv)$ $2,6$-dinitro-$4$-methylphenol

The Reimer-Tiemann reaction involves the formation of $X$ from phenol through the intermediate $Y$. What are $X$ and $Y$?

The compound $X$ in the reaction is

Identify product $B$ in the following sequence of reaction:
Aniline $\xrightarrow[273 \ K]{NaNO_2+HCl} A$ $\xrightarrow[\Delta]{H_2O} B + N_2 \uparrow$