$R-CONH_2 \xrightarrow[{(2)H_3O^{+}}]{{(1)LiAlH_4}} P$ (Major),$P$ should be:

Assertion : Acylation of amines gives a monosubstituted product whereas alkylation of amines gives polysubstituted product.
Reason : Acyl group sterically hinders the approach of further acyl groups.

Pyridine is less basic than triethylamine because

Consider the following sequence of reactions:
$C_6H_5NH_2$ $\xrightarrow{NaNO_2, 0-5^{\circ}C} 'A'$ $\xrightarrow{N,N-\text{Dimethylaniline}} 'B'$
The product $B$ is

Which of the options correctly represents the basicity order for these compounds?

Reduction of nitrobenzene with $Zn$ and alcoholic $KOH$ solution results in the formation of the following compound: