Chemical Reactions of Amines

Which of the following chemical test can distinguish between methylamine and dimethylamine?

Which of the following chemical test can distinguish between methylamine and dimethylamine?

In the chemical reaction:
${\text{CH}}_3{\text{CH}}_2{\text{NH}}_2+{\text{CHCl}}_3+3\text{KOH}\to \left(\text{A}\right)+\left(\text{B}\right)+3{\text{H}}_2\text{O}$, the compound (A) and (B) are respectively:

In the following chemical reactions, the compounds $\mathrm{A}$ and $\mathrm{B}$ are respectively:

Aniline on heating with chloroform and alcoholic potassium hydroxide leads to the formation of

In the following reaction sequence,

the major products X and Z are

Nitrobenzene is obtained from benzene where ${\mathrm{HNO}}_3$ and${\mathrm{H}}_2{\mathrm{SO}}_4$ takes part in the reaction. What is behaviour of ${\mathrm{HNO}}_3$ like-

What are the compounds $\left(\mathrm{B}\right)$and $\left(\mathrm{C}\right)$in the following reaction?

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2+{\mathrm{CHCl}}_3\underset{\mathrm{KOH}}{\overset{∆}{\to }}\left(\mathrm{A}\right) \stackrel{{\mathrm{H}}^{+}/{\mathrm{H}}_2\mathrm{O}}{\to } \left(\mathrm{B}\right) +\left(\mathrm{C}\right)$

In the following sequence of reactions

The compound C formed will be

Which of the following can be used to distinguish between primary, secondary and tertiary amines?

Hinsberg reagent is:

The product $Y$ for the below reaction is:

What are the compounds $\left(\mathrm{B}\right)$and $\left(\mathrm{C}\right)$in the following reaction?

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2+{\mathrm{CHCl}}_3\underset{\mathrm{KOH}}{\overset{∆}{\to }}\left(\mathrm{A}\right) \stackrel{{\mathrm{H}}^{+}/{\mathrm{H}}_2\mathrm{O}}{\to } \left(\mathrm{B}\right) +\left(\mathrm{C}\right)$