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At 20^@C, the vapour pressure of diethyl...

At `20^@C`, the vapour pressure of diethyl ether is 442mm. When 6.4g. of a non-volatile solute is dissolved in 50g. of ether, the vapour pressure falls to 410mm. The Molecular weight of the solute is

A

150

B

130.832

C

160

D

180

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-SOLUTIONS -Objective Exercise -2
  1. The amount of Glucose to be dissolved in 500g of water so as to produc...

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  2. A Current of dry air was first passed through the bulb containing solu...

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  3. At 20^@C, the vapour pressure of diethyl ether is 442mm. When 6.4g. of...

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  4. The vapour pressure of pure water at 25^@C is 30 mm. The vapour pressu...

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  5. The vapour pressure of a pure liquid 'A' is 60mm, at 25^@C. It forms a...

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  6. Two liquids A and B form an Ideal solution. At 300K, the V.P of soluti...

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  7. At certain temperature, the solution of benzene in toulene exihibits t...

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  8. A solute has 2:3 molar ratio of toulene to benzene. The vapour pressur...

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  9. If 2 moles of A and 3 moles of B are mixed to form an ideal solution v...

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  10. The vapour pressure of a solvent decreased by 10 mm of mercury, when a...

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  11. The vapour pressure of pure benzene is 640 mm at 298K. A solution of a...

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  12. The vapour pressure of water at room temperature is 23.8 mm Hg. The va...

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  13. The vapour pressure of pure A is 10 torr and at the same temperature w...

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  14. The percentage composition by weight of an aqueous solution of a solut...

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  15. Molality of an aqueous solution that produces an elevation of boiling ...

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  16. The molal elevation constant of water is 0.51. The boiling point of 0....

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  17. Ebullioscopy is concerned with:

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  18. An aqueous solution containing one gram of urea boils at 100.25^@C. Th...

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  19. A solution prepared by dissolving 0.8gm of naphthalene in 100g of C Cl...

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  20. A solution containing 3.3g of a substance in 125g of benzene (b.pt. = ...

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