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Q. No.
Match the equilibrium processes in List-I with their respective physical properties in List-II and choose the correct option:
List-I
(Equilibrium Process)		 List-II
(Physical Properties)
A. \(Liquid \rightleftharpoons Vapour\) I. Melting point
B. \(Solid \rightleftharpoons Liquid\) II. Boiling point
C. \(Solid \rightleftharpoons Vapour\) III. Sublimation point
D. \(\small {Solute (solid) \rightleftharpoons Solute (solution)}\) IV. Saturated solution
V. Unsaturated solution
Choose the correct answer from the options given below:
1. A-II, B-I, C-III, D-IV
2. A-I, B-II, C-III, D-IV
3. A-III, B-II, C-I, D-IV
4. A-II, B-I, C-III, D-V
Subtopic:  Introduction & Colligative properties |
 71%
Level 2: 60%+
NEET - 2024
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Consider the following statements about the composition of the vapour over an ideal 1:1 molar mixture of benzene and toluene. The correct statement is:

Assume that the temperature is constant at 25 oC.
(Given, vapour pressure data at 25 °C, benzene = 12.8 kPa, toluene = 3.85 kPa)

1. The vapour will contain a higher percentage of toluene.
2. The vapour will contain equal amounts of benzene and toluene.
3. Not enough information is given to make a prediction.
4. The vapour will contain a higher percentage of benzene.
Subtopic:  Introduction & Colligative properties |
 64%
Level 2: 60%+
NEET - 2016
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Which of the following parameters has a non-zero value during the formation of an ideal solution?

1. \(\Delta H_\text{mix}\)
2. \(\Delta S_\text{mix}\)
3. \(\Delta V_\text{mix}\)
4. \(\Delta P\)
Subtopic:  Introduction & Colligative properties |
 83%
Level 1: 80%+
NEET - 2015
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The electrolyte having the same value of Van't Hoff factor (i) as that of Al2(SO4)3  (if all are 100% ionized) is:

1. K2SO4 2. K3[Fe(CN)6]
3. Al(NO3)3 4. K4[Fe(CN)6]
Subtopic:  Introduction & Colligative properties | Van’t Hoff Factor |
 86%
Level 1: 80%+
NEET - 2015
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The Henry's law constant KH values of three gases (A, B, C) in water are 145, 2 × 10–5, and 35 kbar, respectively. Determine the order of solubility of these gases in water from highest to lowest:
1. B > C > A 2. A > C > B
3. A > B > C 4. B > A > C
Subtopic:  Concentration Terms & Henry's Law |
 60%
Level 2: 60%+
NEET - 2024
Hints
Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R): 
Assertion (A): Helium is used to dilute oxygen in the diving apparatus. 
Reason (R): Helium has a high solubility in O2.
In light of the above statements, choose the correct answer from the options given below:
1. (A) is False but (R) is True.
2. Both (A) and (R) are True and (R) is the correct explanation of (A). 
3. Both (A) and (R) are True and (R) is not the correct explanation of (A).
4. (A) is True but (R) is False.
Subtopic:  Concentration Terms & Henry's Law |
 51%
Level 3: 35%-60%
NEET - 2023
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KH value for some gases at the same temperature 'T' are given:
gas KH/k bar
Ar 40.3
CO2 1.67
HCHO 1.83 × 10–5
CH4 0.413
KH is Henry's Law constant in water. The order of their solubility in water is :
1. Ar < CO2 < CH4 < HCHO
2. Ar < CH4 < CO2 < HCHO
3. HCHO < CO2 < CH4 < Ar
4. HCHO < CH4 < CO2 < Ar
Subtopic:  Concentration Terms & Henry's Law |
 78%
Level 2: 60%+
NEET - 2022
Hints
Which of the following contains 0.5 moles of a solute in one molal solution?
1. 1000 g of solvent 2. 500 mL of solvent
3. 500 g of solvent 4. 100 mL of solvent
Subtopic:  Concentration Terms & Henry's Law |
 74%
Level 2: 60%+
NEET - 2022
Hints

pA and pB are the vapour pressure of pure liquid components, A and B, respectively of an ideal binary solution.
If XA represents the mole fraction of component A, the total pressure of the solution will be:

1. pA + XA (pB-pA) 2. pA + XA (pA-pB)
3. pB + XA (pB-pA) 4. pB + XA (pA-pB)
Subtopic:  Dalton’s Law of Partial Pressure |
 72%
Level 2: 60%+
AIPMT - 2012
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The correct option for the value of vapour pressure of a solution at 45 °C with benzene to octane in a molar ratio 3:2 is:

[At 45 °C vapour pressure of benzene is 280 mm Hg and that of octane is 420 mm Hg. Assume Ideal gas]

1. 336 mm of Hg 2. 350 mm of Hg
3. 160 mm of Hg 4. 168 mm of Hg
Subtopic:  Raoult's Law |
 77%
Level 2: 60%+
NEET - 2021
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