Which of the following amines cannot be prepared by the Gabriel phthalimide synthesis method?

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.

Which compound gives ethanamine upon heating with $[KOH + Br_2]$?

The method by which aniline cannot be prepared is

Which of the following reactions occurs by the removal of a $-CO-$ group from an amide?

Which of the following amines is obtained by Gabriel phthalimide synthesis?