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Define molal elevation constant or ebull...

Define molal elevation constant or ebullioscopic constant.

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It is defined as the elevation in boiling point when one mole of the solute is dissolved in 1000 g of the solvent.
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Each question contains STATEMENT-I(Assertion) and STATEMENT-2(Reason).the statement carefully and mark the correct answer according to the instruction given below: STATEMENT - 1 : Elevation in boiling point will be high if the molal elevation constant of the liquid is high. STATEMENT - 2 : Elevation in boiling point is a colligative property.

The molal elevation constant is the ratio of the elevation in boiling point to :

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An aqueous solution of glucose boils at 100.02^(@)C .The molal elevation constant for water is 0.5 kmol^(-1)kg . The number of molecules of glucose in the solution containing 100g of water is

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ICSE-SOLUTIONS-EXERCISE (PART-II Descriptive Questions) (VERY SHORT ANSWER QUESTIONS)
  1. Why is freezing point depressed when a non-volatile solute is added t...

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  2. What is an antifreeze?

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  3. Define molal elevation constant or ebullioscopic constant.

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  4. Define cryoscopic constant.

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  5. Why is osmotic pressure considered as colligative property?

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  6. What are isotonic solutions ?

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  7. Hypotonic and Hypertonic solution

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  8. Why NaCl solution freezes at lower temperature than water but boils a...

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  9. Why does molality of a solution remains unchanged with change in temp...

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  10. Why is the cooking temperature in pressure cooker higher than that in...

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  11. Solution A is obtained by dissolving 1 g of urea in 100 g of water an...

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  12. Which of the following solutions shows positive deviation from Raoult'...

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  13. When is the value of van't Hoff factor more than one?

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  14. Give one example each when van't Hoff factor is 2 and (1)/(2).

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  15. How is that the boiling points of the following solutions in water ar...

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  16. Mention a large scale use of the phenomenona of reverse osmosis.

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  17. What is the sum of mole fractions of all the components in a three-co...

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  18. State Raoult's law for a solution of volatile liquids.

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  19. Differentiate between molarity and molality of a solution .How can we ...

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  20. What will be the nature of the solution when ethyl alcohol and water ...

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