Match the name of process given in Column I with the name of compound given in Column II and mark the correct option.

	Column I		Column II
(a)	Pure nitrogen	(i)	Chlorine
(b)	Haber process	(ii)	Sulphuric acid
(c)	Contact process	(iii)	Ammonia
(d)	Deacon's process	(iv)	Sodium azide or Barium azide

 

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

False statement regarding PCl₅ is:

The acidity of diprotic acids in aqueous solution increases in the order:

1. H₂S < H₂Se < H₂Te

2. H₂Se < H₂S < H₂Te

3. H₂Te < H₂S < H₂Se

4. H₂Se < H₂Te < H₂S

The strong reducing behaviour of H₃PO₂ is due to:

1. Presence of one -OH group and two P-H bonds.

2. High electron gain enthalpy of phosphorus.

3. High oxidation state of phosphorus.

4. Presence of two -OH groups and one P-H bond.

Radon is used in the treatment of:

The gas that is used in the gas thermometer is:

Which of the following liquids has the ability to climb the glass vessel's wall?

1. Alcohol 

2. Liquid He

3. Liquid $N_2$

4. Water

The molecular shapes of SF₄, CF₄ and XeF₄ are: 

What order does the stability of interhalogen compounds follow?

1. IF₃  > BrF₃  > CIF₃

2. BrF₃ > IF₃ > ClF₃

3. ClF₃ > BrF₃ > IF₃

4. ClF₃ > IF₃ > BrF₃