Preparation of Diazonium Salts

The product $\left(\mathrm{P}\right)$ formed from the following multistep reaction is:

What is diazotization?

Write the structures of $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$ in the following reactions:

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl} \stackrel{\mathrm{KCN}}{\to } \mathrm{A} \stackrel{{\mathrm{LiAlH}}_4}{\to } \mathrm{B} \underset{0°\mathrm{C}}{\overset{{\mathrm{HNO}}_2}{\to }}\mathrm{C}$

Find A, B, C and D.

Identify the statement which is incorrect about arenediazonium salts.

Identify the compound, which obeys the general formula $\mathrm{Ar}{\stackrel{+}{\mathrm{N}}}_2\stackrel{-}{\mathrm{X}}$.

The chemical formula of benzenediazonium chloride is 

Primary aliphatic amines form highly unstable alkyldiazonium salts. Give reason.

Identify the compound which is having a diazonium group. 

The stability of arenediazonium salt is due to the presence of 

The arenediazonium salts are prepared from primary aromatic amines.

Identify the compound having a diazonium group.

Explain the stability of arenediazonium ion.

Recall the general formula of diazonium salts.

Explain the stability of aromatic diazonium salts.

Account for the following:
Diazonium salts of aliphatic amines are less stable than those of aromatic amines.

Write a short note on diazonium salts.

Diazonium salts are represented by the general formula

The chemical formula of A and B is:

Which compound is formed when aniline is treated with sodium nitrite and hydrochloric acid at $0℃$?