Reaction of aniline with acetic anhydride in presence of pyridine yields acetic acid and product $\text{'}\mathrm{X}\text{'}$.

What is the total number of groups from the following, present in the compound $\text{'}\mathrm{X}\text{'}$?

$-{\mathrm{NO}}_2$	$-\mathrm{NH}-\mathrm{CO}-$	$-{\mathrm{NH}}_2$
$-\mathrm{COOH}$	$-{\mathrm{CH}}_3$	$-\mathrm{N}=\mathrm{N}-$
$-{\mathrm{CH}}_2{\mathrm{CH}}_3$	$-C_6{H}_5$	$-\mathrm{OH}$

If molar mass of compound B is $\mathrm{x}$, then find $\frac{\mathrm{x}}{2}$

How many among the following would form a coloured dye on treatemnt with ${\mathrm{NaNO}}_2$ in dil.$HCl$ followed by addition to an alkaline solution of $\beta$-naphthol?

Acetylation of aniline with acetic anhydride in presence of pyridine yields acetic acid and product $\text{'}\mathrm{X}\text{'}$.

How many of the below given groups present in the compound $\text{'}\mathrm{X}\text{'}$?

How many of the following will give positive carbylamine test?

Howmany of the following reactions will give a primary amine?

$\left(\mathrm{i}\right) {\mathrm{CH}}_3{\mathrm{CONH}}_2\stackrel{{\mathrm{Br}}_2, \mathrm{KOH}}{⟶}$

$\left(\mathrm{ii}\right) {\mathrm{CH}}_3\mathrm{CN}\stackrel{{\mathrm{LiAlH}}_4}{\to }$

$\left(\mathrm{iii}\right) {\mathrm{CH}}_3\mathrm{NC}\stackrel{ {\mathrm{LiAlH}}_4}{⟶}$

$\left(\mathrm{iv}\right) {\mathrm{CH}}_3{\mathrm{CONH}}_2\stackrel{{\mathrm{LiAlH}}_4}{\to }$