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Show that osmotic pressure is a colligat...

Show that osmotic pressure is a colligative property?

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Osmotic pressure is given by the relation, `pi=CRT`. As we know `Cpropn/(V)," so"pi=n/(V)RT`.
Since R and T are constants, therefore the osmotic pressure depends only upon the number of moles of solute (n) dissolved per unit volume. As it depends upon the molar concentration of the solution, hence it is a colligative property.
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van't Hoff proved that osmotic pressure ( pi ) is a colligative property. For an ideal solution, osmotic pressure( pi ) is helpful to determine that molecular mass of solute using M_(B)=(W_(B)RT)/(pi.V) Relation can exxpressed by the curve (C = concentration) :

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OMEGA PUBLICATION-SOLUTIONS-Multiple Choice Questions
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  5. Units of molarity of

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  6. For a molar solution of NaCl in water at 25^(@)C and 1 atm pressure sh...

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  7. Partial pressure of a solution component is directly proportional to i...

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  8. In a mixture, A and B compounds show negative deviation as

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  9. Which of the following liquid pair shows positive deviation from Raoul...

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  10. If liquid A and B form an ideal solution

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  11. Which of the following is not correct for ideal solution?

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  12. Very dilute solutions which show deviations (positive or negative) fro...

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  13. Colligative properties of solutions are those which depend upon

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  14. Which of the following is a colligative property?

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  15. Which of the following is not a colligative property?t

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  16. The temperature at which the vapour pressure of a liquid becomes equal...

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  17. The molecular mass of a solute cannot be calculated by one of the foll...

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  18. Which of the following is correctly matched ?

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  19. If the elevation in boiling point of a solution of 10 gm of solute (mo...

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  20. Molal depression constant is calculated from the enthalpy of fusion (D...

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  21. The depression in freezing point is directly proportional to

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