Explain Gattermann reaction with an example.

The major product $\mathrm{Q}$ formed in the following reaction sequence is

Write two-step equation for the following conversion:

Benzene to diphenyl.

The major dichlorinated product formed in the following reaction is

How will you convert the following? Give chemical equations only.

Aniline to chlorobenzene

The major product of the following reaction is

Write the following reactions: Sandmeyer reaction.

Explain the following reactions of chlorobenzene :

Reaction with chlorine in the presence of ${\mathrm{FeCl}}_3$ in dark

Consider the given reaction, the Product $\mathrm{A}$ is:

The major product of the following reaction is:

Choose the reagent $\mathrm{A}$ and $\mathrm{B}$ used for the following reaction.

Write the following reaction:

Balz-Schiemann Reaction

Identify compound $\left(\mathrm{C}\right)$ in the following reaction

${\mathrm{C}}_7{\mathrm{H}}_8\stackrel{3{\mathrm{Cl}}_2/\mathrm{\Delta }}{\to }\left(\mathrm{A}\right)\stackrel{{\mathrm{Br}}_2/\mathrm{Fe}}{\to }\left(\mathrm{B}\right)\stackrel{\mathrm{Zn}/\mathrm{HCl}}{\to }\left(\mathrm{C}\right)$