Which is not hydrolysed with water?

(1) PCl₃

(2) NF₃

(3) NCl₃

(4) BCl₃

Ammonia on reaction with excess of chlorine gives

(1) NCl₃ and HCl

(2) N₂ and NH₄Cl

(3) NCl₃ and NH₄Cl

(4) N₂ and HCl

Nitrogen gas is liberated by the 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 of the above. 

Consider the following sequence of reaction.

$\mathrm{Na}+{\mathrm{NH}}_3\left(\mathrm{g}\right)\underset{}{\to }\left[\mathrm{X}\right]\stackrel{{\mathrm{N}}_2\mathrm{O}}{\to }\left[\mathrm{Y}\right]\stackrel{\mathrm{Heat}}{\to }\underset{\mathrm{Gas}<mspace\; width="1em"></mspace>\mathrm{Pure}}{\left[\mathrm{Z}\right]}$

Identify [Z] gas :

$\left(\mathrm{a}\right)<mspace\; width="1em"></mspace>{\mathrm{N}}_2$

$\left(\mathrm{b}\right)<mspace\; width="1em"></mspace>{\mathrm{NH}}_3$

$\left(\mathrm{c}\right)<mspace\; width="1em"></mspace>{\mathrm{O}}_2$

$\left(\mathrm{d}\right)<mspace\; width="1em"></mspace>{\mathrm{H}}_2$

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

(a) ${\mathrm{BF}}_3$                            (b) ${\mathrm{NCl}}_3$

(c) ${\mathrm{SF}}_4$                            (d) ${\mathrm{PCl}}_5$

In which of the following reaction product does not contain 'Peroxide 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. $2\mathrm{Na}\underset{∆}{\overset{\mathrm{excess}<mspace\; width="1em"></mspace>{\mathrm{O}}_2}{\to }}$                                   

4.  None of the above

$\mathrm{MF}+{\mathrm{XeF}}_4<mspace\; width="1em"></mspace>\stackrel{}{\to }\text{'}\mathrm{A}\text{'}<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>({\mathrm{M}}^{+}=\mathrm{Alkali}<mspace\; width="1em"></mspace>\mathrm{metal}<mspace\; width="1em"></mspace>\mathrm{cation})$

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

$\left(\mathrm{a}\right)<mspace\; width="1em"></mspace>s{p}^{3}d,<mspace\; width="1em"></mspace>\mathrm{TBP}<mspace\; width="1em"></mspace>$

$\left(\mathrm{b}\right)<mspace\; width="1em"></mspace>s{p}^{\mathit{3}}{d}^3,<mspace\; width="1em"></mspace>\mathrm{distorted}<mspace\; width="1em"></mspace>\mathrm{octahedral}$

$\left(\mathrm{c}\right)<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>s{p}^{\mathit{3}}{d}^3,<mspace\; width="1em"></mspace>\mathrm{pentagonal}<mspace\; width="1em"></mspace>\mathrm{planar}$

$\left(\mathrm{d}\right)<mspace\; width="1em"></mspace>\mathrm{No}<mspace\; width="1em"></mspace>\mathrm{compound}<mspace\; width="1em"></mspace>\mathrm{formed}<mspace\; width="1em"></mspace>\mathrm{at}<mspace\; width="1em"></mspace>\mathrm{all}$

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

$\left(\mathrm{a}\right)<mspace\; width="1em"></mspace>{\mathrm{H}}^{+}<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>{\mathrm{XeF}}_7^{-}<mspace\; width="1em"></mspace>\mathrm{ion}<mspace\; width="1em"></mspace>$

$\left(\mathrm{b}\right)<mspace\; width="1em"></mspace>{\mathrm{HF}}_2^{-}<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>{\mathrm{XeF}}_5^{+}<mspace\; width="1em"></mspace>\mathrm{ions}$

$\left(\mathrm{c}\right)<mspace\; width="1em"></mspace>{\mathrm{HXeF}}_6^{+}<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>{\mathrm{F}}^{-}<mspace\; width="1em"></mspace>\mathrm{ions}$

$\left(\mathrm{d}\right)<mspace\; width="1em"></mspace>\mathrm{none}<mspace\; width="1em"></mspace>\mathrm{of}<mspace\; width="1em"></mspace>\mathrm{these}$

Which of the following statements about the subsequent reactions is false?
\(XeF_6 + H_2O \text{(excess)} \longrightarrow\ 'X' + HF \)
\(XeF_6 + 2H_2O \longrightarrow\ 'Y' + HF \)

1. 'X' is explosive

2. 'Y' is an oxyacid of xenon

3. Both are example of non-redox reaction

4. ${\mathrm{XeF}}_6$ can undergo partial hydrolysis

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

$\left(\mathrm{a}\right)<mspace\; width="1em"></mspace>\mathrm{Kr}$

$\left(\mathrm{b}\right)<mspace\; width="1em"></mspace>\mathrm{Ne}$

$\left(\mathrm{c}\right)<mspace\; width="1em"></mspace>\mathrm{Xe}$

$\left(\mathrm{d}\right)<mspace\; width="1em"></mspace>\mathrm{Ar}$