Q. No.For an ideal solution, the non-zero value will be for:
1. \(\Delta H_\text{mix}\)
2. \(\Delta S_\text{mix}\)
3. \(\Delta V_\text{mix}\)
4. \(\Delta P=P_{\text{observed}}-P_{\text{Raoult}}\)
1. \(\Delta H_\text{mix}\)
2. \(\Delta S_\text{mix}\)
3. \(\Delta V_\text{mix}\)
4. \(\Delta P=P_{\text{observed}}-P_{\text{Raoult}}\)
Subtopic: Introduction & Colligative properties |
85%
From NCERT
NEET - 2015
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Colligative properties are dependent on which of the following factors?
| 1. | The nature of the solute particles dissolved in the solution. |
| 2. | The number of solute particles in the solution. |
| 3. | The physical properties of the solute particles dissolved in the solution. |
| 4. | The nature of solvent particles. |
Subtopic: Introduction & Colligative properties |
80%
From NCERT
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A solution containing 10 g/dm3 of urea (molecular mass = 60 g mol-1) is isotonic with a 5 % solution of a non-volatile solute. The molecular mass of this non-volatile solute is:
| 1. | 25 g mol-1 | 2. | 300 g mol-1 |
| 3. | 350 g mol-1 | 4. | 200 g mol-1 |
Subtopic: Introduction & Colligative properties |
82%
From NCERT
AIPMT - 2006
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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%
From NCERT
NEET - 2015
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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 |
65%
From NCERT
NEET - 2016
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Match the equilibrium processes in List-I with their respective physical properties in List-II and choose the correct option:
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
| 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 |
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 |
74%
From NCERT
NEET - 2024
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An aqueous solution of hydrochloric acid -
1. Obeys Raoult's law
2. Shows negative deviations from Raoult's law
3. Shows positive deviations from Raoult's law
4. Obeys Henry's law at all compositions
Subtopic: Introduction & Colligative properties |
71%
From NCERT
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The correct match for the below table is:
| Type of solution | Example |
| a. Solid in gas | i. Aerated water |
| b. Gas in liquid | ii. Smoke |
| c. Liquid in solid | iii. Solution of hydrogen in palladium |
| d. Gas in solid | iv. Amalgams |
| a | b | c | d | |
| 1. | i | iii | iv | ii |
| 2. | ii | i | iv | iii |
| 3. | iii | i | iv | ii |
| 4. | iv | i | ii | iii |
Subtopic: Introduction & Colligative properties |
77%
From NCERT
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The solubility of a gas in a liquid decreases with an increase in temperature because:
| 1. | Dissolution of a gas in a liquid is an endothermic process. |
| 2. | Dissolution of a gas in a liquid is an exothermic process. |
| 3. | Gases are highly compressible. |
| 4. | All of the above. |
Subtopic: Introduction & Colligative properties |
71%
From NCERT
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Match List I with List II
Choose the correct answer from the options given below:
| 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 |
Subtopic: Introduction & Colligative properties |
86%
From NCERT
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