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 |
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. | 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. |
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). |
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)
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)
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. |