In the reaction sequence $CH_3CONH_2$ $\xrightarrow{?} CH_3CN$ $\xrightarrow{\text{reduction}} CH_3CH_2NH_2$,which dehydrating agent is used in the first step?

Ethylamine $(C_2H_5NH_2)$ can be obtained from $N$-ethylphthalimide on treatment with:

Amides may be converted into amines by a reaction named after :

Starting from propanoic acid,the following reactions were carried out: $CH_3-CH_2-COOH$ $\xrightarrow{SOCl_2} [X]$ $\xrightarrow[\Delta]{NH_3} [Y]$ $\xrightarrow[KOH]{Br_2} [Z]$. Product $[Z]$ will be?

Write chemical equations for the following reactions:
$(i)$ Reaction of ethanolic $NH_3$ with $C_2H_5-Cl$.
$(ii)$ Ammonolysis of benzyl chloride and reaction of amine so formed with two moles of $CH_3-Cl$.

When alkyl halide is boiled with a large excess of alcoholic ammonia,it forms: