Aniline on treatment with a mixture of conc. $HNO_3$ and conc. $H_2SO_4$ yields:

In the following carbylamine reaction,$x$ represents the moles of $KOH$ consumed:
$C_6H_5NH_2 + CHCl_3 + x KOH \rightarrow C_6H_5NC + 3KCl + 3H_2O$
Find the value of $x$.

The major product ($70\%$ to $80\%$) of the reaction between $m$-dinitrobenzene with $NH_4HS$ is

Which of the following diazonium salts $RN_2^+X^-$ will be the most stable?

Identify the product of the following reaction sequence:
$Ph-CH=CH-CN$ $\xrightarrow[2. H_3O^+]{1. CH_3MgBr}$ $\xrightarrow{NaBH_4, \Delta} \text{Product}$

The reaction of chloroform with alcoholic $KOH$ and $p-$toluidine forms: