Match the Xenon compounds in ColoumnI with its structure in Column-II and assign the correct code:

Column I		Column II
(a)	XeF4	(i)	pyramidal
(b)	XeF6	(ii)	square planar
(c)	XeOF4	(iii)	distorted octahedral
(d)	XeO3	(iv)	square pyramidal

Code:

	(a)	(b)	(c)	(d)
1.	(iii)	(iv)	(i)	(ii)
2.	(i)	(ii)	(iii)	(iv)
3.	(ii)	(iii)	(iv)	(i)
4.	(ii)	(iii)	(i)	(iv)

Match the following:

Which of the following statements about PCl₅ is false? 

The correct structure of tribromo octoxide is:

1. 
2. 
3. 
4. 

Which is the correct thermal stability order for ${\mathrm{H}}_2\mathrm{E}\left(\mathrm{E}=\mathrm{O}, \mathrm{S}, \mathrm{Se}, \mathrm{Te} \mathrm{and} \mathrm{Po}\right)?$

1.  ${\mathrm{H}}_2\mathrm{Se}<{\mathrm{H}}_2\mathrm{Te}<{\mathrm{H}}_2\mathrm{Po}<{\mathrm{H}}_2\mathrm{O}<{\mathrm{H}}_2\mathrm{S}$

2.  ${\mathrm{H}}_2\mathrm{S}<{\mathrm{H}}_2\mathrm{O}<{\mathrm{H}}_2\mathrm{Se}<{\mathrm{H}}_2\mathrm{Te}<{\mathrm{H}}_2\mathrm{Po}$

3.  ${\mathrm{H}}_2\mathrm{O}<{\mathrm{H}}_2\mathrm{S}<{\mathrm{H}}_2\mathrm{Se}<{\mathrm{H}}_2\mathrm{Te}<{\mathrm{H}}_2\mathrm{Po}$

4.  ${\mathrm{H}}_2\mathrm{Po}<{\mathrm{H}}_2\mathrm{Te}<{\mathrm{H}}_2\mathrm{Se}<{\mathrm{H}}_2\mathrm{S}<{\mathrm{H}}_2\mathrm{O}$

Which of the following oxoacids of phosphorus has the strongest reducing property?

1. H₄P₂O₇

2. H₃PO₃

3. H₃PO₂

4. H₃PO₄

Identify the correct formula of 'oleum' from the following

1. H₂S₂O₇

2. H₂SO₃

3. H₂SO₄

4. H₂S₂O₈

Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option.

Column I     Column II
A. XeF₆        1. Distorted octahedral
B. XeO₃       2. Square planar
C. XeOF₄     3. Pyramidal
D. XeF₄       4. Square pyramidal

Codes
A B C D
(a) 1 2 4 3
(b) 4 3 1 2
(c) 4 1 2 3
(d) 1 3 4 2

Which of the following compound of sulphur has $-\mathrm{O}-\mathrm{O}-$linkage?

1. ${\mathrm{H}}_2{\mathrm{SO}}_4, \mathrm{sulphuric} \mathrm{acid}$

2. ${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_8, \mathrm{peroxodisulphuric} \mathrm{acid}$

3. ${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_7, \mathrm{pyrosulphuric} \mathrm{acid}$

4. ${\mathrm{H}}_2{\mathrm{SO}}_3, \mathrm{sulphurous} \mathrm{acid}$

A compound 'X' upon reaction with $H_{2}O$ produces a colorless gas 'Y' with rotton fish smell. Gas 'Y' is absorbed in a solution of $CuS{O}_4$ to give $C{u}_3{P}_2$ as one of the products. Predict the compound 'X'

1. $C{a}_3{P}_2$

2. $N{H}_{4}Cl$

3. $A{s}_2{O}_3$

4. $C{a}_3{(PO}_{}$₄)2