Assertion (A): | When dry fruits and vegetables are placed in water, they slowly get swelled. |
Reason (R): | It happens due to the phenomenon of osmosis. |
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. | (A) is false but (R) is true. |
Assertion (A): | Henry's law states that “the partial pressure of the gas in vapour phase (p) is proportional to the mole fraction of the gas (x) in the solution” |
Reason (R): | Raoult's law is a special case of Henry's law. |
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. | (A) is false but (R) is true. |
Assertion (A): | 0.1 M solution of glucose has the same decrement in the freezing point as 0.1 M solution of urea. |
Reason (R): | Kf for both has the same value. |
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 and (R) is False. |
4. | (A) and (R) both are False. |
Assertion (A): | When an ideal binary solution is in equilibrium with its vapour, molar ratio of the two components in the solution and in the vapour phase may or may not be the same. |
Reason (R): | Vapour pressure of solution depends upon the vapour pressures of volatile components. |
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. |
List I | List II |
Types of Solutions | 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 |
Statement I: | The mass of a gas dissolved in a given mass of a solvent at any temperature is proportional to the pressure of the gas above the solvent. |
Statement II: | The rate of dissolution of sugar is equal to the rate of crystallization of sugar at equilibrium. |
1. | Both statement I and statement II are true. |
2. | Both statement I and statement II are false. |
3. | Statement I is true but statement II is false. |
4. | Statement I is false but statement II is false. |
List I Concentration expression |
List II Uses |
A. Mass percentage | I. Medicine |
B. Volume percentage | II. Concentration of pollutants |
C. Mass by volume percentage | III. Industrial chemicals |
D. Parts per million | IV. Liquid solutions |
Options: | A | B | C | D |
1. | III | IV | II | I |
2. | III | II | IV | I |
3. | III | IV | I | II |
4. | III | I | II | IV |