Which of the following is not a usual method for the preparation of a primary amine?

$N$-Ethylphthalimide on hydrolysis gives:

Write chemical equations for the following conversions:
$(i)$ $CH_3-CH_2-Cl$ into $CH_3-CH_2-CH_2-NH_2$
$(ii)$ $C_6H_5-CH_2-Cl$ into $C_6H_5-CH_2-CH_2-NH_2$

Which of the following type of amines is obtained by alkylation of phthalimide?

What is formed when $RCN$ is treated with sodium and alcohol?

An organic compound $A$ on reaction with $NH_{3}$ followed by heating gives compound $B$. Which on further strong heating gives compound $C$ $(C_{8}H_{5}NO_{2})$. Compound $C$ on sequential reaction with ethanolic $KOH$,alkyl chloride and hydrolysis with alkali gives a primary amine. The compound $A$ is.