What happens when ethyl bromide reacts with ${\mathrm{KNO}}_2$.

What happens when ethyl bromide reacts with zinc.

What happens when ethyl bromide reacts with

$\mathrm{Na}$

How will you obtain the following from chloroform?

Chloropicrin

How will you obtain the following from chloroform?

Chloretone

How will you obtain the following from chloroform?

Acetylene

Starting from ethanol how will you obtain chloroform? Give the reaction equations.

An organic compound $\mathrm{A}$ on treatment with $\mathrm{KCN}$ gave another compound $\mathrm{B}$ which on hydrolysis with dil. $\mathrm{HCl}$ gave acetic acid. Identify $\mathrm{A}$

An ethereal solution of an alkyl halide $\mathrm{A}$ when heated with sodium gave $2,3$-dimethylbutane. Identify $\mathrm{A}$