Which of the following compounds is $NOT$ formed as an intermediate product in the Hofmann bromamide degradation reaction?

Under what reaction conditions (acidic/basic),the coupling reaction of aryldiazonium chloride with aniline is carried out?

Consider the following:
$(I)$ $CH_3CH_2NH_2$
$(II)$ $PhCH_2NH_2$
$(III)$ $PhNH_2$
The correct order of their basic strength is:

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

An amine $(X)$ reacts with $p-$toluene sulphonyl chloride to give the product,$Y$,which is insoluble in alkali. The product of $X$ with benzoyl chloride is

$Ph-C \equiv CH$ $\xrightarrow[Excess]{HCl} X$ $\xrightarrow{KOH (aq.)} Y$ $\xrightarrow{CH_3-CH_2-NH_2} Z,$
$Z$ is known as