The major product formed in carbylamine reaction is

In the following reaction,
$C_6H_5NHCOC_6H_5 \xrightarrow[conc. \ H_2SO_4]{conc. \ HNO_3} X$
the structure of the major product $X$ is

Explain the basicity of aliphatic amines.

Give uses of amine compounds as medicines.

In the above reactions,product $A$ and product $B$ respectively are:

In the reaction $C_6H_5CHO + C_6H_5NH_2 \to C_6H_5N=CHC_6H_5 + H_2O$,the compound $C_6H_5N=CHC_6H_5$ is known as