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A solution containing 4g of polyvinyl ch...

A solution containing 4g of polyvinyl chloride polymer in 1 L of dioxane was found to have an osmotic pressure of `4.1xx10^(-4)` atm at `27^(@)C`. The approximate molecular weight of the polymer is

A

1500

B

10000

C

`2.4xx10^(5)`

D

`2xx10^(12)`

Text Solution

Verified by Experts

The correct Answer is:
C
`becausepi=CRT=(n)/(V)RT`
`pixxV=nRT=(w)/(m)RT`
`m=(wRT)/(pixxV)=(4xx0.0821xx(27+273))/(4xx10^(-4)xx1)`
`2.4xx10^(5)`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SOLUTIONS AND COLLIGATIVE PROPERTIES -Exercise 1 (Types of Solutions and Concentration of Solutions)
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  2. The molal elevation constant of water =0.52 K m^(-1). The boiling poin...

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  3. A solution containing 4g of polyvinyl chloride polymer in 1 L of dioxa...

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  4. If alpha is the degree of dissociation of Na(2)SO(4) the van't Hoff's ...

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  5. At 25^(@)C, the highest osmotic pressure is exhibited by 0.1 M solutio...

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  6. Calculate the molal depression constant of a solvent which has freezin...

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  7. The freezing point of 1% of lead nitrate solution in water will be :

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  8. The relative lowering of vapour pressure of an aqueous solution contai...

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  9. KBr is 180% dissociated in aqueous solution of 0.5m concentration. (...

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  10. The vapour pressure of water at 23^(@)C is 19.8 mm of Hg 0.1 mol of gl...

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  11. Benzoic acid is dissolved in benzene, van't Hoff factor will be

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  12. Mark the correct option for the K(f) . I. K(f) depends on nature of...

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  13. Osmotic pressure present in the fluid inside the blood cell is equival...

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  14. Match the laws given in Column I with expressions given in Column II. ...

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  15. Lowering of vapour pressure is highest for

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  16. If the elevation in boiling point of a solution of 10 g of solute (mol...

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  17. The vapour pressure of water at 20^(@)C is 17.54mm. When 20g of non - ...

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  18. The osmotic pressure of a 5% (weight// volume) solution of cane sugar...

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  19. The freezing point of 0.1 M solution of glucose is -1.86^(@)C. If an e...

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  20. At 10^(@)C, the osmotic pressure of urea solution is 500 mm.The soluti...

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