The amine $A$,when treated with nitrous acid,gives a yellow oily substance. The amine $A$ is

Consider the given reaction,find the correct order of percentage yield for the products $A$,$B$,and $C$:

When aniline reacts with $NaNO_2$ and dil. $HCl$ at $0^{\circ} - 5^{\circ}C,$ the product formed is

Which of the following substances generally has the highest melting point?

$A$ compound $(x)$ with molar mass $108 \ g \ mol^{-1}$ undergoes acetylation to give a product with molar mass $192 \ g \ mol^{-1}$. The number of amino groups in the compound $(x)$ is . . . . . .

Aniline in a set of the following reactions yielded a coloured product $Y$.
Aniline $\xrightarrow[(273-278 \ K)]{NaNO_{2}/HCl} X$ $\xrightarrow{N,N-dimethylaniline} Y$
The structure of $Y$ would be