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Molal elevation constant of a liquid is ...

Molal elevation constant of a liquid is :

A

The elevation in b.pt. which would be produced by dissolving one mole of solute in 100 g of solvent

B

The elevation of b.pt. which would be produced by dissolving 1 mole solute in 10 g of solvent

C

Elevation in b.pt. which would be produced by dissolving 1 mole of solute in 1000 g of solvent

D

None

Text Solution

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The correct Answer is:
C
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What is molal elevation constant of a solvent ?

Calculate the molal elevation constant of water , it being given that 0.1 molal aqueous solution of substance boiled at 100.052^@ C .

Y g of non-volatile organic substance of molecular mass M is dissolved in 250 g benzene. Molal elevation constant of benzene is K_b . Elevation in its boiling point is given by:

The molal elevation constant for water is 0.52 K.molality^-1. The elevation caused in the boiling point of water by dissolving 0.25 mole of a non-volatile solute in 250 g of water will be:

The molal elevation constant of water = 0.52 K, molality^-1 . The boiling point of 1.0 molal aqueous KCl solution (assuming complete dissociation of KCl), should be:

What do you mean by elevation in boiling point and molal elevation constant ? B.P of water at 750 mm Hg is 99.63^@C . How much sucrose is to be added to 500 g of water such that it boils at 100^@C ? Molal elevation constant of water is 0.52 K kg mol^(-1)

MBD PUBLICATION-SOLUTIONS-QUESTION BANK
  1. A mixture of benzene and toluene forms :

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  2. The colligative properties of a solution depend on :

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  3. Which of the following methods can not be used to determine the molecu...

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  4. If P0 and Pdelta are the vapour pressure of solvent and solution respe...

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  5. Osmosis is the spontaneous flow through a semipermeable membrane of :

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  6. The vapour pressure of a dilute solution of a solute is not influenced...

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  7. The vapour pressure (VP) of a dilute solution of non-volatile solute i...

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  8. The highest temperature at which vapour pressure of a liquid can be me...

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  9. The value of Kf for water is 1.86 calculated from glucose solution . T...

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  10. A liquid is kept in a closed vessel. If a glass plate (negligible mass...

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  11. The molecular weight of benzoic acid as determined by depression in fr...

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  12. The elevation of boiling point method is used for the determination of...

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  13. Sodium sulphate is soluble in water whereas barium sulphate is sparing...

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  14. Which solute can from saturated solutions in water ?

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  15. Two solutions A and B are separated by seimpereneable membrane . If li...

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  16. Molal elevation constant of a liquid is :

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  17. One mole each of urea, glucose and sodium chloride were dissolved in o...

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  18. The solubility of a solid in a liquid depends on :

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  19. Alcohol has ………. Vapour pressure than water at the same temperature :

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  20. The mixtureof n-hexane and n-heptane is an example of :

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