When acetamide is treated with $Br_{2}$ and caustic soda,the product formed is

Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis?

Phthalimide is made to undergo the following sequence of reactions. Total number of $\pi$ bonds present in product '$P$' is/are:

Which of the following yields a primary amine upon acidic hydrolysis?

Write the structures and $IUPAC$ names of:
$(i)$ the amide which gives propanamine by Hoffmann bromamide reaction
$(ii)$ the amine produced by the Hoffmann degradation of benzamide.

Identify the product obtained when nitroethane is treated with $Sn/HCl$ under ideal conditions.