Prof. Santosh Yadav and Prof. Anil Thomas Solutions for Chapter: Compounds Containing Nitrogen, Exercise 3: Competitive Thinking

The molecular formula of benzonitrile is ______.                                  [J &K CET 2006]

Which of the following is the most stable diazonium salt ?

The number of isomeric primary amines (constitutional) obtained from ${\mathrm{C}}_4{\mathrm{H}}_{11}\mathrm{N}$ are _______.

The amine which reacts with $\mathrm{p}-$toluenesulphonyl chloride to give a clear solution, which on acidification gives an insoluble compound, is ______.

Which of the following reactions is used to prepare aryl fluorides from diazonium salts and fluoroboric acid?

The number of structural isomers possible from the molecular formula ${\mathrm{C}}_3{\mathrm{H}}_9\mathrm{N}$ is ______.

In the sequence of the following reactions:

The starting compound '$\mathrm{P}$' is ______.

A given nitrogen-containing aromatic compound '$\mathrm{A}$' reacts with $\mathrm{Sn}/\mathrm{HCl}$, followed by ${\mathrm{HNO}}_2$ to give an unstable compound '$\mathrm{B}$'. '$\mathrm{B}$' on treatment with phenol, forms a beautiful coloured compound '$\mathrm{C}$' with the molecular formula ${\mathrm{C}}_{12}{\mathrm{H}}_{10}{\mathrm{N}}_2\mathrm{O}$. The structure of compound '$\mathrm{A}$' is ______.