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

Give any two limitations of Raoult's law.

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Give one example each of miscible liquid pairs showing positive and negative deviation from Raoult's law. Give one reason for each for such deviations.

What is meant by positive and negative deviations from Raoult's law and how is the sign of Delta_("so")H related to positive and negative deviations from Raoult's law ?

Two liquids A and B on mixing produce a warm solution. Which type of deviation from Raoult's law does it show?

The liquid pair of acetone-chloroform shows a positive deviation form Raoult's law.

Mixing of acetone with chloroform takes place with reduction in volume? What type of deviation from Raoult's law is shown in this case?

When a solution of CHCl_(3) and acetone is formed, the solution is non-ideal with ………deviation from Raoult's law. The vapour pressure of such a solution will be ………….than the corresponding ideal solution.

Non - ideal solutions exhibit either positive or negative deviations from Raoult's law. What are these deviations and why are they caused? Explain with one example for each type.

ICSE-SOLUTIONS-EXERCISE (PART-II Descriptive Questions) (LONG ANSWER QUESTIONS)
  1. Define the terms: (i) Molarity (ii) Molality (iii) Normality (iv) Mo...

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  2. State and explain Raoult's law. Show graphically the variation of tot...

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

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

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

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

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

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

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

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

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

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  12. Osmotic pressure of a solution is

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  13. Differentiate between : Diffusion and Osmosis

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

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

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

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  17. What are isotonic solutions ?

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  18. Give the biological significance of osmosis.

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

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

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