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What are the units of the molal depressi...

What are the units of the molal depression constant for water?

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The units of `K_f` are K kg mol`""^(-1)` or Km`"^(-1).`
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The freezing point of an aqueous solutions is 272 .93 K . Calculate the molality of the solution if molal depression constant for water is 1.86 Kg mol^(-1)

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5 g of a substance when dissolved in 50 g water lowers the freeezing by 1.2^(@)C . Calculate molecular wt. of the substance if molal depression constant of water is 1.86^(@)C K kg mole^(-1) .

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The unit of molality is

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n moles of a non volatile solute are dissolved in wg of water. If K_(f) is the molal depression constant of water, the freezing point of the solution will be

MBD -HARYANA BOARD-SOLUTIONS-VSATQ ( VERY SHORT ANSWER TYPE QUESTIONS )
  1. State Raoult's law for solution containing non-volatile solute.

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  2. Define Colligative property.

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  3. Define molal elevation constant.

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  4. Why is osmotic pressure considered as a colligative property ?

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  5. Why boiling point of water is increased on addition of non-volatile so...

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  6. Discuss the role of molecular interaction in a solution of alcohol and...

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  7. What is the nature of the solution when ethyl alcohol and water are mi...

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  8. What is azeotropic solution ? Give an example of maximum boiling azeot...

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  9. Define azeotropic mixture.

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  10. What will be nature of the solution when chloroform and acetone are mi...

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  11. Why is the vapour pressure of solution of glucose in water lower than ...

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  12. Why is boiling point of the solution gets raised when a non-volatile s...

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  13. Name the method for determining the osmotic pressure of a solution.

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  14. Why is osmotic pressure considered as a colligative property ?

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  15. Out of the various methods for determining the molar mass of the solut...

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  16. Out of 1M BaCl2 and 1M Al2(SO4)3, which will have more osmotic pressur...

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  17. What happens to freezing point of water if ethylene glycol is added to...

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  18. Define molal elevation constant.

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  19. What are the units of the molal depression constant for water?

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  20. Define molal depression constant. How is it related to enthalpy of fus...

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