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Which of the following colligative prope...

Which of the following colligative property can provide molar mass of proteins (or polymers or colloids) with greatest precision?

A

Relative lowering of vapour pressure

B

Elevation of boiling point

C

Depression in freezing point

D

Osmotic pressure

Text Solution

Verified by Experts

The correct Answer is:
D
Osmotic pressure method is especially suitable for the determination of molecular masses of macromolecules such as protein & polymer because for these substances the values of other colligative properties such as elevation in boiling point or depression in freezing point are too small to be measured on the other hand osmotic pressure of such substances is measurable.
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ERRORLESS-SOLUTIONS -NCERT BASED QUESTIONS (OSMOSIS AND OSMOTIC PRESSURE OF THE SOLUTION)
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  2. Two solutions A and B are separated by semipermeable membrane. If liqu...

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  4. IF 10 g of solute was dissolved in 250 mL. of water and osmoti...

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  6. What would happen if a thin slice of sugar beet is placed in a concent...

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  7. Isotonic solutions have :

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  8. A 5% solution of cane sugar (molecular weight =342) is isotonic with a...

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  9. 10% (w/v) solution of sucrose (M.W = 342) is isotonic with 5% (w/v) so...

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  10. Which has minimum osmotic pressure ?

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  11. Two solutions of KNO(3) and CH(3)COOH are prepared separately. Molarit...

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  12. Osmotic pressure of a urea solution at 10^(@)C is 500 mm. Osmotic pres...

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  13. The solution containing 4.0gm of a polyvinyl chloride polymer in 1 lit...

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  14. At temperature 327^(@)C and concentration C, the osmotic pressure of ...

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  15. 0.1 M NaCl and 0.05 M BaCl(2) solutions are separated by a sami-premea...

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  16. What is the osmotic pressure of a 0.0020 mol dm^(-3) sucrose (C(12)H(2...

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  17. For getting accurate value of molar mass of a solute by osmotic pressu...

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  18. Desalination of sea water can be done by

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  19. The osmotic pressure of a solution can be increased by

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  20. The empirical formula of a non-electrolyte is CH(2)O. A solution conta...

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