When a primary amine reacts with chloroform in ethanolic $KOH$,the product formed is:

In which of the following will benzoic acid not be formed as a major product?

Identify the reagent $R$ used in the reaction stated below.
$C_6H_5N_2Cl + R \rightarrow C_6H_6$

Compound $A$ is converted to $B$ on reaction with $CHCl_3$ and $KOH$. The compound $B$ is toxic and can be decomposed by $C$. $A, B$ and $C$ respectively are:

The following reaction is known by the name:
$C_6H_5NH_2 + C_6H_5COCl \xrightarrow{NaOH} C_6H_5NHCOC_6H_5 + HCl$

Which among the following compounds is a primary amine?