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Calculate the freezing point of an aqueo...

Calculate the freezing point of an aqueous solution of a non-electrolyte having an osmotic pressure 2.0 atm at `"300 K. Kf = 1.86 k.kg.mol"^(-1.)" R = 0.0821 lit.atm.k"^(-1)" mol"^(-1)`

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The correct Answer is:
`[-0.151^(@)C]`
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NCERT TAMIL-COLLIGATIVE PROPERTIES-QUESTION
  1. Define relative lowering of vapour pressure.

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  2. What do you understand by molal elevation of boiling point? What are a...

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  3. Addition of non-volatile solute always increases the boiling point of ...

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  4. Volatile hydrocarbons are not used in the brakes of automobile as lubr...

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  5. Prove that the depression in freezing point is a colligative property.

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  6. Explain the terms osmosis and osmotic pressure.

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  7. What are isotonic solutions?

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  8. What are the advantages of Berkley-Hartley method?

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  9. Explain how the degree of dissociation of an electrolyte may be determ...

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  10. The vapour pressure of pure benzene at a certain temperature is 640 mm...

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  11. Calculate the freezing point of an aqueous solution of a non-electroly...

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  12. What weight of non-volatile solute (urea) NH(2) CO NH(2) needs to be d...

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  13. 20 g of sucrose solution in one litre is isotonic with a solution of b...

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  14. A solution containing 6 gm of a solute dissolved in 250 ml of water ga...

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  15. Explain the determination of relative lowering of vapour pressure by O...

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  16. Describe about Beckmann thermometer.

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  17. Explain the determination of depression in freezing point by Beckmann ...

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  18. What is elevation of boiling point? Explain its determination by Cottr...

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  19. Explain the laws of osmotic pressure? Explain its determination by B...

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  20. What are abnormal colligative properties? Explain with example and w...

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