Q. No.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.
At a given temperature, osmotic pressure of a concentrated solution of a substance:
| 1. | is higher than that of a dilute solution. |
| 2. | is lower than that of a dilute solution. |
| 3. | is same as that of a dilute solution. |
| 4. | cannot be compared with osmotic pressure of dilute solution. |
The incorrect statement among the following is:
| 1. | Two different solutions of sucrose of the same molality prepared in different solvents will have the same depression in freezing point. |
| 2. | The osmotic pressure of a solution is given by the equation π = CRT (where C is the molarity of the solution) |
| 3. | Decreasing order of osmotic pressure for 0.01 M aqueous solutions of BaCl2 > KCl > CH3COOH > sucrose |
| 4. | The vapour pressure exerted by a volatile component of a solution is directly proportional to its mole fraction in the solution. |
The values of van’t Hoff factors for KCl, NaCl and K2SO4 respectively are .......... .
1. 2, 2 and 2
2. 2, 2 and 3
3. 1, 1 and 2
4. 1, 1 and 1
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