Boiling ethylamine on reaction with acidified $KMnO_4$ gives:

$CH_3NH_2 + CHCl_3 + KOH \rightarrow$ Nitrogen containing compound $+ KCl + H_2O$. The nitrogen-containing compound is:

Which of the following is most basic?

The reaction of $HNO_2$ with $A$ gives a quaternary ammonium salt. $A$ is

Arrange the following compounds in increasing order of their basicity:
$CH_3NH_2, (CH_3)_2NH, C_6H_5NH_2, (CH_3)_3N$

Identify the $X$ in the reaction.
$R-NH_2 + HNO_2 \underset{273-278 \ K}{}$ ${\xrightarrow{NaNO_2 + HCl}} X$ $\xrightarrow{H_2O} R-OH + N_2 + HCl$