
$Toluene\,\, \xrightarrow[{2.\,{H^ + }}]{{1.\,KMn{O_4}/O{H^ - }}}I\xrightarrow{{SOC{l_2}}}II\xrightarrow{{N{H_3}}}III\xrightarrow{{OB{r^ - }}}IV$ is




Statement $I:$ Primary aliphatic amines react with $HNO _{2}$ to give unstable diazonium salts.
Statement $II:$ Primary aromatic amines react with $HNO _{2}$ to form diazonium salts which are stable even above $300 \,K$.
In the light of the above statements, choose the most appropriate answer from the options given below: