
$B.$ $N , N$ -Dimethylaniline
$C.$ N-Methyl aniline
$D.$ Benzenamine
Choose the correct order of basic nature of the above amines.


$PhC{{O}_{2}}H\xrightarrow[2.\,N{{H}_{3}}]{1.\,PC{{l}_{5}}}A\xrightarrow[2.\,{{H}_{2}}/Ni]{1.\,{{P}_{4}}{{O}_{10}}.heat}B.$ The final product $(B)$ is

The product $'B'$ is?