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

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?

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

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

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

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

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

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

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

(a) $N{H}_{4}N{O}_3<mspace\; width="1em"></mspace>and<mspace\; width="1em"></mspace>N_{2}O$       (c) $N{H}_{4}N{O}_2<mspace\; width="1em"></mspace>and<mspace\; width="1em"></mspace>N_2$

(b) $HN{O}_4<mspace\; width="1em"></mspace>and<mspace\; width="1em"></mspace>O_2$                (d) None

Which of the following compound does not exist?

1. XeOF₄

2. NeF₂

3. XeF₂

4. XeF₆ 

Which of the following oxide is most acidic

(A) Na₂O

(B) Al₂O₃

(C) P₂O₅

(D) SO₃

Which among the following is least acidic

(1) P₄O₆ 

(2) P₄O₁₀ 

(3) As₄O₆ 

(4) As₄O₁₀ 

Moist ammonia gas is dried over

(A) P₂O₅

(B) Anhydrous CaCl₂

(C)Quick lime

(D)Conc. H₂SO₄