- 1(current)
Q. No.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 |
Subtopic: Osmosis & Osmotic Pressure |
92%
Level 1: 80%+
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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. |
Subtopic: Osmosis & Osmotic Pressure |
74%
Level 2: 60%+
Hints
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. |
Subtopic: Osmosis & Osmotic Pressure |
76%
Level 2: 60%+
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The incorrect statement among the following is:
| 1. | Units of atmospheric pressure and osmotic pressure are the same. |
| 2. | In reverse osmosis, solvent molecules move through a semipermeable membrane from a region of lower concentration of solute to a region of higher concentration. |
| 3. | The value of molal depression constant depends on nature of solvent. |
| 4. | Relative lowering of vapour pressure, is a dimensionless quantity. |
Subtopic: Osmosis & Osmotic Pressure |
70%
Level 2: 60%+
Hints
Consider the figure and mark the correct option.
| 1. | Water will move from the side (B) to side (A) if pressure is lower than the osmotic pressure is applied on piston (B). |
| 2. | Water will move from side (B) to side (A) if a pressure greater than osmotic pressure is applied on piston (B). |
| 3. | Water will move from side (B) to side (A) if a pressure equal to osmotic pressure is applied on piston (B). |
| 4. | Water will move from side (A) to side (B) if pressure equal to osmotic pressure is applied on piston (A). |
Subtopic: Osmosis & Osmotic Pressure |
70%
Level 2: 60%+
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Isotonic solutions must have the same:
| (a) | Solute |
| (b) | Density |
| (c) | Elevation in boiling point |
| (d) | Depression in freezing point |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Subtopic: Introduction & Colligative properties | Osmosis & Osmotic Pressure |
65%
Level 2: 60%+
Hints
The correct choice among the given regarding isotonic solutions is /are:
| (a) | Solute and solvent both are same |
| (b) | Osmotic pressure is same |
| (c) | Solute and solvent may or may not be same |
| (d) | Solute is always same solvent may be different |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Subtopic: Osmosis & Osmotic Pressure |
80%
Level 1: 80%+
Hints
Given below are two statements:
| Assertion (A): | When a solution is separated from the pure solvent by a semipermeable membrane, the solvent molecules pass through it from the pure solvent side to the solution side. |
| Reason (R): | Diffusion of solvent occurs from a region of high concentration solution to a region of low concentration solution. |
| 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. |
Subtopic: Osmosis & Osmotic Pressure |
59%
Level 3: 35%-60%
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- 1(current)
Q. No.
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