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

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?

When acetamide reacts with $Br_2$ and caustic soda,then we get

Select the reagents that reduce nitriles to primary amines:
$A$. $(i) \text{LiAlH}_4$; $(ii) \text{H}_2\text{O}$
$B$. $\text{Sn} + \text{HCl}$
$C$. $\text{H}_2/\text{Ni}$
$D$. $\text{Na(Hg)}/\text{C}_2\text{H}_5\text{OH}$
$E$. $\text{Br}_2/\text{aq. NaOH}$
Choose the correct answer from the options given below:

How can ethylamine be prepared?

What are the products $C$ and $D$ in the given reaction?
$Phthalimide$ $\xrightarrow{KOH} A$ $\xrightarrow{C_2H_5Br} I$ $\xrightarrow{HOH/H^+} C + D$