Identify the product formed when tertiary butyl bromide reacts with alcoholic NH$$_3$$ solution?

Which of the following compounds has lower boiling point?

Which of the following reactions is used for the conversion of alkyl chloride to alkyl iodide?

Identify reactant (A) used in the following conversion.

Chlorobenzene $$+\mathrm{A} \underset{\mathrm{AlCl}_3}{\stackrel{\text { anhydrous }}{\longrightarrow}} 1-$$ Chloroacetophenone $$+4 -$$ Chloroacetophenone