The maximum amount of a solid solute that can be dissolved in a specified amount of a given liquid solvent does not depend upon -
1. | Temperature | 2. | Nature of solute |
3. | Pressure | 4. | Nature of solvent |
Low concentration of oxygen in the blood and tissues of people living at high altitude is due to .........
1. Low temperature
2. Low atmospheric pressure
3. High atmospheric pressure
4. Both low temperature and high atmospheric pressure
Considering the formation, breaking and strength of hydrogen bond, predict which of the following mixtures will show a positive deviation from Raoult’s law?
1. Methanol and acetone
2. Chloroform and acetone
3. Nitric acid and water
4. Phenol and aniline
Colligative properties depend on:
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. |
Match the items given in Column I and Column II.
Column I | Column II | ||
A. | Saturated solution | 1. | Solution having same osmotic pressure at a given temperature as that of a given solution. |
B. | Hypertonic solution | 2. | A solution whose osmotic pressure is less than that of another. |
C. | Isotonic solution | 3. | A solution that contains the maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature. |
D. | Hypotonic solution | 4. | A solution whose osmotic pressure is more than that of another. |
Codes
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 2 | 4 | 3 | 1 |
3. | 3 | 4 | 1 | 2 |
4. | 1 | 2 | 3 | 4 |
Match the items given in Column I with the type of solutions given in Column II.
Column I | Column II |
A. Soda water | 1. A solution of gas in solid |
B. Sugar solution | 2. A solution of gas in liquid |
C. German silver | 3. A solution of solid in liquid |
D. Hydrogen gas in palladium | 4. A solution of solid in solid |
Codes
A | B | C | D | |
1. | 2 | 1 | 4 | 3 |
2. | 1 | 2 | 3 | 4 |
3. | 2 | 3 | 4 | 1 |
4. | 4 | 1 | 3 | 2 |
A solution that has the highest boiling point among the following is -
1. 1.0 M NaOH
2. 1.0 M Na2SO4
3. 1.0 M NH4NO3
4. 1.0 M KNO3
The unit of Ebullioscopic constant is:
1. K kg mol-1 or K (molality)-1
2. mol kg K-1 or K-1 (molality)
3. kg mol-1 K-1 or K-1 (molality)-1
4. K mol kg-1 or K (molality)
In comparison to a 0.01 M solution of glucose, the depression in the freezing point of a 0.01 M MgCl2 solution will be -
1. | Same | 2. | About twice |
3. | About three times | 4. | About six times |
An unripe mango placed in a concentrated salt solution to prepare pickle shrivels because -
1. It gains water due to osmosis.
2. It loses water due to reverse osmosis.
3. It gains water due to reverse osmosis.
4. It loses water due to osmosis.