Preparation of Compounds of Nitrogen

The total number of paramagnetic gaseous products formed in all the following reactions $\left[\mathrm{A}+\mathrm{B}+\mathrm{C}\right]$

(A) ${\mathrm{NH}}_4{\mathrm{NO}}_3\stackrel{\mathrm{\Delta }}{⟶}$ Products

(B) $3{\mathrm{NaNO}}_2+3{\mathrm{H}}_2{\mathrm{SO}}_4⟶$ Products

(C) $\mathrm{Pb}{\left({\mathrm{NO}}_3\right)}_2\stackrel{673 \mathrm{K}}{⟶}$ Products

Which of the following compound on heating gives ${\mathrm{N}}_2\mathrm{O}?$

Which of the following can not represent the resonance forms for diamagnetic ${\mathrm{N}}_2\mathrm{ }\mathrm{O}$ ?

Which of the following is a mixed anhydride :

Ammonia is $\mathrm{NOT}$ produced in the reaction of

The compound produces ammonia when reacted with water is-

What is released when di nitrogen trioxide is reacted with a base like $\mathrm{NaOH}$?

Explain the role of nitric acid in purification of gold.

Which of the following is neutral?

The following chain of reactions give nitric acid as product by Ostwald's process:

$2\mathrm{NO}\left(\mathrm{g}\right)+ {\mathrm{O}}_2\left(\mathrm{g}\right)\stackrel{}{\rightleftharpoons } \_\_\_\_\_\left(\mathrm{g}\right)$
$3{\mathrm{NO}}_2\left(\mathrm{g}\right)+ {\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)\stackrel{}{\to }\_\_\_\_\_ \left(\mathrm{aq}\right) + \mathrm{NO}\left(\mathrm{g}\right)$
The total no. of Nitrogen atoms for all the products on the right side are:

The oxidation state of nitrogen in ${\mathrm{HNO}}_3$ is:

Which of the following are correct for Haber's process

Which of the following are for the preparation of ammonia

Which one of the following is not a colourless compound?

Which of the following is Correctly matched ?

Which of the following compounds does not liberate ${\mathrm{NH}}_3$ on heating?

Select the correct statement from the following:

Bond angle in ${{\mathrm{NH}}_4}^{+}$ is more than that in ${\mathrm{NH}}_3$.

Why does ${\mathrm{NO}}_2$ dimerise?

Which of the following cannot result in the formation of $\mathrm{NO}$?