AIPMT - 25th July 2015

Given below are two statements:
Statement I:
Primary aliphatic amines react with ${\mathrm{HNO}}_2$ to give unstable diazonium salts.
Statement II :
Primary aromatic amines react with ${\mathrm{HNO}}_2$ to form diazonium salts which are stable even above $300 \mathrm{K}$. In the light of the above statements, choose the most appropriate answer from the options given below 

Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.

Reagent R will be:

Reaction of propanamide with ethanolic sodium hydroxide and bromine will give

Which of the following amine will give the carbylamine test?

In the following reaction, the product $\left(\mathrm{A}\right)$

Which of the following will be most stable diazonium salt $\mathrm{R}{\mathrm{N}}_2^{+}{\mathrm{X}}^{-}$ ?

The product formed from the following reaction sequence is