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    Multiple Choice QuestionsShort Answer Type

    31. What is Van’t Hoff factor i of the compound AlCl3?
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    32. Define Van’t Hoff factor ‘i’?
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    33. Define an ideal solution.
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    34. Differentiate between molarity and Molality?
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    35. What is the Van’t Hoff factor of a compound which undergoes tetramerisation in an organic solvent?

    Answer:
    The van't hoff factor is an integer based on the number of particles that substance will dissociate into.
    A compound undergoes tetramerisation have 
    Van’t Hoff factor, i = 4.
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    36. State Raoult’s law for dilute solutions?
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    37. Define Molality in terms of elevation in boiling point?
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    38. What are azetropes? Give an example.
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    39. What is the sum of the mole fraction of all the components in a three component system?
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    40. What is meant by vapour pressure? What is effect of temperature on it?
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