$C_6H_5CH_2Cl$ $\xrightarrow{\text{Alc. } NH_3} A$ $\xrightarrow{2 CH_3Cl} B$. The product $B$ is

Identify the correct decreasing order of the basic strength of the following amines in the aqueous phase: $CH_3NH_2$, $(CH_3)_2NH$, $C_6H_5NH_2$, and $NH_3$.

Which of the following is the strongest base?

$CH_3CH_2I$ $\xrightarrow{NaCN} A$ $\xrightarrow{OH^- \text{ (partial hydrolysis)}} B$ $\xrightarrow{Br_2/NaOH} C$. Identify the final product $C$.

What is the product formed when acetamide is reacted with $Br_2$ and caustic soda $(NaOH)$?

When a concentrated solution of sulphanilic acid and $1-$naphthylamine is treated with nitrous acid $(273 \ K)$ and acidified with acetic acid,the mass $(g)$ of $0.1 \ mole$ of product formed is : (Given molar mass in $g \ mol^{-1} H: 1, C: 12, N: 14, O: 16, S: 32$)