Q. No.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 |
74%
From NCERT
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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 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 |
56%
From NCERT
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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%
From NCERT
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The following solutions were prepared by dissolving 10 g of glucose (C6H12O6) in 250 ml of water (P1), 10 g of urea (CH4N2O) in 250 ml of water (P2) and 10 g of sucrose (C12H22O11) in 250 ml of water (P3). The decreasing order of osmotic the pressure of these solutions is:
| 1. | P2 > P3 > P1 | 2. | P3 > P1 > P2 |
| 3. | P2 > P1 > P3 | 4. | P1 > P2 > P3 |
Subtopic: Osmosis & Osmotic Pressure |
70%
From NCERT
NEET - 2021
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200 cm3 of an aqueous solution of a protein contains 1.26 g of the protein. The osmotic pressure of such a solution at 300 K is found to be 2.57 × 10–3 bar. The molar mass of the protein is:
| 1. | 61,022 g mol–1 |
2. | 65,042 g mol–1 |
| 3. | 68,012 g mol–1 |
4. | 57,012 g mol–1 |
Subtopic: Osmosis & Osmotic Pressure |
65%
From NCERT
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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 |
72%
From NCERT
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The plot of osmotic pressure \((\pi)\) vs concentration \((mol L^{-1})\) for a solution gives a straight line with slope 25.73 L bar mol-1. The temperature at which osmotic pressure measurement is done is: \((\text {Use} \left.\mathrm{R}=0.083 \mathrm{~L} \mathrm{bar} \mathrm{mol}^{-1} \mathrm{~K}^{-1}\right)\)
1. 310°C
2. 25.73°C
3. 12.05 °C
4, 37°C
1. 310°C
2. 25.73°C
3. 12.05 °C
4, 37°C
Subtopic: Osmosis & Osmotic Pressure |
50%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
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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 |
91%
From NCERT
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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 |
79%
From NCERT
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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 |
64%
From NCERT
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