Arrange the following in decreasing order of their basic strength:
$I$. $CH_2=CHCH_2NH_2$
$II$. $CH_3CH_2CH_2NH_2$
$III$. $CH \equiv CCH_2NH_2$

Which of the following is the strongest base in an aqueous medium?

In the given reaction,$[X]$ is:
$4-\text{nitrostyrene} \xrightarrow{[X]} 4-\text{ethylaniline}$

Assertion : Acetamide reacts with $Br_2$ in presence of methanolic $CH_3ONa$ to form methyl $N$-methylcarbamate.
Reason : Methyl isocyanate is formed as an intermediate which reacts with methanol to form methyl $N$-methylcarbamate.

The product obtained by the electrolytic reduction of nitrobenzene in the presence of $H_2SO_4$ is:

Given below are two statements:
Statement $I$: Aniline does not undergo Friedel-Crafts alkylation reaction.
Statement $II$: Aniline cannot be prepared through Gabriel synthesis.
In the light of the above statements,choose the correct answer from the options given below: