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Explain why the molecular weight of KCl ...

Explain why the molecular weight of KCl determined by the depression in the freezing point method does not agree with its correct theoretical molecular weight. What do you expect is its molecular weight as determined by the experiment ?

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ICSE-SOLUTIONS-EXERCISE (PART-II Descriptive Questions) (LONG ANSWER QUESTIONS)
  1. State and explain Raoult's law. Show graphically the variation of tot...

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  2. Give any two limitations of Raoult's law.

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  3. What are the conditions necessary to show ideal behaviour of solution...

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  4. Why is one molar aqueous solution more concentrated than one molal so...

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  5. Mixing acetone and chloroform occurs with reduction in volume and is ...

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  6. Show that the relative lowering of vapour pressure is given by. (p^...

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  7. What are ideal and non-ideal solutions ? What type of non idealities ...

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  8. Under what conditions non-ideal solutions show positive deviations?

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  9. The boiling point of a solution gets raised on dissolution of non-vol...

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  10. What is depression in freezing point ? How will you find the molecula...

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  11. Osmotic pressure of a solution is

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  12. Differentiate between : Diffusion and Osmosis

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  13. Explain the osmosis and osmotic pressure. How is a semipermeable memb...

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  14. Which method is the best method for determining the mol. wt. of polym...

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  15. Derive van't Hoff's equation for the concentration dependence of the ...

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  16. What are isotonic solutions ?

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  17. Give the biological significance of osmosis.

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  18. What are the conditions under which abnormal molecular weights are obt...

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  19. Write an explanatory note on abnormal molecular masses from colligati...

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  20. Explain why the molecular weight of KCl determined by the depression i...

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