Dr. S.N. DHAWAN, Dr. S.C.KHETERPAL and, P.N.KAPIL Solutions for Chapter: p-Block Elements (Nitrogen Family), Exercise 5: ADDITIONAL QUESTIONS

Draw the structure of $({\mathrm{HPO}}_3{)}_3$.

Write chemical equation involved in the preparation of ${\mathrm{H}}_3{\mathrm{PO}}_3$.

What is the basicity of ${\mathrm{H}}_3{\mathrm{PO}}_2$?

What happens when orthophosphorous acid $\left({\mathrm{H}}_3{\mathrm{PO}}_3\right)$ is heated ?

Arrange the following in the increasing order of property mentioned :

${\mathrm{H}}_3{\mathrm{PO}}_3, {\mathrm{H}}_3{\mathrm{PO}}_4, {\mathrm{H}}_3{\mathrm{PO}}_2$ (Reducing character)

Arrange the following in the increasing order of property mentioned :

${\mathrm{NH}}_3, {\mathrm{PH}}_3, {\mathrm{AsH}}_3, {\mathrm{SbH}}_3, {\mathrm{BiH}}_3$ (Base strength)

Write the names and formulae of any five oxides of nitrogen.

Describe the favorable conditions for the manufacture of ammonia by Haber's process.