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Question
Which of the following statements is false?
Options
Units of atmospheric pressure and osmotic pressure are the same.
In reverse osmosis, solvent molecules move through a semipermeable membrane from a region of lower concentration of solute to a region of higher concentration.
The value of molal depression constant depends on nature of solvent.
Relative lowering of vapour pressure, is a dimensionless quantity.
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Solution
In reverse osmosis, solvent molecules move through a semipermeable membrane from a region of lower concentration of solute to a region of higher concentration.
Explanation:
In reverse osmosis, solvent molecules move through a semipermeable membrane from higher concentration of solute to lower concentration.
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| Column I | Column II |
| (i) Saturated solution | (a) Solution having same osmotic pressure at a given temperature as that of given solution. |
| (ii) Binary solution | (b) A solution whose osmotic pressure is less than that of another. |
| (iii) Isotonic solution | (c) Solution with two components. |
| (iv) Hypotonic solution | (d) A solution which contains maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature. |
| (v) Solid solution | (e) A solution whose osmotic pressure is more than that of another. |
| (vi) Hypertonic solution | (f) A solution in solid phase. |
Isotonic solutions have same
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