Nitrogen gas is liberated by thermal decomposition of :

(1) ${\mathrm{NH}}_4{\mathrm{NO}}_2$                                 

(2) ${\mathrm{NaN}}_3$

(3) ${\left({\mathrm{NH}}_4\right)}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$                           

(4) All    

Consider the following sequence of reaction.

$\mathrm{Na}+{\mathrm{NH}}_3\left(\mathrm{g}\right)\underset{}{\to }\left[\mathrm{X}\right]\stackrel{{\mathrm{N}}_2\mathrm{O}}{\to }\left[\mathrm{Y}\right]\stackrel{\mathrm{Heat}}{\to }\underset{\mathrm{Gas} \mathrm{Pure}}{\left[\mathrm{Z}\right]}$

Identify [Z] gas :

$\left(\mathrm{a}\right) {\mathrm{N}}_2$

$\left(\mathrm{b}\right) {\mathrm{NH}}_3$

$\left(\mathrm{c}\right) {\mathrm{O}}_2$

$\left(\mathrm{d}\right) {\mathrm{H}}_2$

Which of the following compound does not produce oxyacid of central atom on hydrolysis?

(1) ${\mathrm{BF}}_3$                           

(2) ${\mathrm{NCl}}_3$

(3) ${\mathrm{SF}}_4$                           

(4) ${\mathrm{PCl}}_5$

In which of the following reaction product does not contain 'Peroxy' linkage?

1. $2\mathrm{OF}\stackrel{\mathrm{Dimerisation}}{\to }$  

2. ${\mathrm{H}}_4{\mathrm{P}}_2{\mathrm{O}}_8\stackrel{+{\mathrm{H}}_2\mathrm{O}}{\to }$

3. $2\mathrm{Na}\underset{∆}{\overset{\mathrm{excess} {\mathrm{O}}_2}{\to }}$   

4. None of these 

$\mathrm{MF}+{\mathrm{XeF}}_4 \stackrel{}{\to }\text{'}\mathrm{A}\text{'} ({\mathrm{M}}^{+}=\mathrm{Alkali} \mathrm{metal} \mathrm{cation})$

The state of hybridisation of the central atom in 'A' and shape of the species are:

$\left(\mathrm{a}\right) s{p}^{3}d, \mathrm{TBP}$

$\left(\mathrm{b}\right) s{p}^{\mathit{3}}{d}^3, \mathrm{pentagonal} \mathrm{planar}$

$\left(\mathrm{c}\right) s{p}^{\mathit{3}}{d}^2, \mathrm{distorted} \mathrm{octahedral}$

$\left(\mathrm{d}\right) \mathrm{No} \mathrm{compound} \mathrm{formed} \mathrm{at} \mathrm{all}$

${\mathrm{XeF}}_6$ dissolves in anhydrous $\mathrm{HF}$ to give a good conducting solution that contains-

1. H⁺ and \(XeF_{7}^{-}\) ions
2. \(HF_{2}^{-}\) and \(XeF_{5}^{+}\) ions
3. \(HXeF_{6}^{+}\) and F^- ions
4. None of the above

Incorrect statement regarding following reactions is :

(a) 'X' is explosive

(b) 'Y' is an oxyacid of xenon

(c) Both are example of non-redox reaction

(d) ${\mathrm{XeF}}_6$ can undergo partial hydrolysis

Which of the following noble gas does not form clathrate compound?

$\left(\mathrm{a}\right) \mathrm{Kr}$

$\left(\mathrm{b}\right) \mathrm{Ne}$

$\left(\mathrm{c}\right) \mathrm{Xe}$

$\left(\mathrm{d}\right) \mathrm{Ar}$

$N{H}_{4}Cl{O}_4+HN{O}_3\left(dilute\right)\to HCl{O}_4+\left[X\right]$

$\left[X\right]\stackrel{∆}{\to }Y\left(g\right)$

$\left[X\right]$ and $\left[Y\right]$ are respectively.

(a) $N{H}_{4}N{O}_3 and N_{2}O$       (c) $N{H}_{4}N{O}_2 and N_2$

(b) $HN{O}_4 and O_2$                (d) None

Which one of the following does not exist?

1. XeOF₄

2. NeF₂

3. XeF₂

4. XeF₆