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1. Match List-I with List-II:

	List-I (Types of Solutions)		List-II (Common Examples)
A.	Gas in Gas	I.	Solution of hydrogen in palladium
B.	Solid in Gas	II.	Mixture of oxygen and nitrogen gas
C.	Gas in Liquid	III.	Camphor in nitrogen gas
D.	Gas in Solid	IV.	Oxygen dissolved in water

 

Options:	A	B	C	D
1.	II	III	IV	I
2.	II	I	IV	III
3.	II	IV	III	I
4.	II	IV	I	III

2. The solubility of N₂ in water at 300 K and 500 torr partial pressure is 0.01 g L^–1. The solubility (in g L^–1) at 750 torr partial pressure will be:
1. 0.0075
2. 0.005
3. 0.02
4. 0.015

3. An ideal solution is made by mixing 2 moles of benzene
 \((P^o = 266 ~mm) \) and 3 moles of another liquid \((P^o= 236 ~mm) \).
The total vapor pressure of the solution at the same temperature would be: 

1.	502 mm	2.	248 mm
3.	600 mm	4.	298 mm

4. For a dilute solution, Raoult’s law states that:

1.	The lowering of vapour pressure is equal to the mole fraction of the solute.
2.	The relative lowering of vapour pressure is equal to the mole fraction of the solute.
3.	The relative lowering of vapour pressure is proportional to the amount of solute in solution.
4.	The vapour pressure of the solution is equal to the mole fraction of the solvent.

5. 12 g of a non-volatile solute dissolved in 108 g of water produces a relative lowering of the vapour pressure of 0.1. The molecular mass of the solute is:
1. 80
2. 60
3. 20
4. 40

6. What mass of glycerol \(\mathrm {C}_3\mathrm{H}_5 \mathrm {(OH)_3}\) must be dissolved in 520 g of water to raise the boiling point to 102.00°C?
(Molecular weight of \(\mathrm {C}_3\mathrm{H}_5 \mathrm {(OH)_3}\)  = 92.1 g/mol,
\(\mathrm{k}_{\mathrm{b}} \text { of } \mathrm{H}_2 \mathrm{O}=0.52^{\circ} \mathrm{Ckg} / \mathrm{mol}\))
1. 5.65 g
2. 92.0 g
3. 184 g
4. 194 g

7. The molecular weight of benzoic acid in benzene, as determined by the depression in the freezing point method, corresponds to:
1. Ionization of benzoic acid
2. Dimerization of benzoic acid
3. Trimerization of benzoic acid
4. Solvation of benzoic acid

8. What is the molecular mass of 'X', if its 2% (w/v) solution exhibits the same osmotic pressure as a 4% (w/v) solution of sucrose?

1.	570 g/mol	2.	205.2 g/mol
3.	171 g/mol	4.	None of these

9.

On the basis of the information given below, mark the correct option.

i.	In a bromoethane and chloroethane mixture, intermolecular interactions of A—A and B—B type are nearly the same as A—B type interactions.
ii.	In an ethanol and acetone mixture, A—A or B—B type intermolecular interactions are stronger than A—B type interactions.
iii.	In a chloroform and acetone mixture, A—A or B—B type intermolecular interactions are weaker than A—B type interactions.

1.  Solutions (ii) and (iii) will follow Raoult’s law
2.  Solution (i) will follow Raoult’s law
3.  Solution (ii) will show negative deviation from Raoult’s law
4.  Solution (iii) will show positive deviation from Raoult’s law

10. Consider the given two statements:

Assertion (A):	The value of Van't  Hoff factor (i) for ethanoic acid in benzene is less than unity.
Reason (R):	Molecules of ethanoic acid dimerizes in benzene due to hydrogen bonding.

 

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.