Amines behave as

In the reaction sequence $CH_3Cl$ $\xrightarrow{KCN}$ $\xrightarrow{+4H} A$ $\xrightarrow{NaNO_2/HCl} \text{Ethyl alcohol} + ?$. What are the major and minor products formed?

The correct statement regarding the basicity of arylamines is

The basic character of ethylamine,diethylamine,and triethylamine in chlorobenzene is:

During the acetylation of amines,what is replaced by acetyl groups?

In the following chemical reaction,
$CH_3CH_2NH_2 + CHCl_3 + 3KOH \rightarrow (a) + (b) + 3H_2O$
What are the products $(a)$ and $(b)$ respectively?