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12th Class Chemistry Solutions / विलयन Question Bank MCQs - Solutions

  • question_answer
    The statement "The partial vapour pressure of each volatile component in the solution is directly proportional to its mole function" is

    A) Henry’s law

    B) Raoulf’s law

    C) Dalton’s law

    D) None of these

    Correct Answer: B

    Solution :

    [b]
    Raoult’s law for a volatile liquid states that, for any solution, the partial pressure of each volatile component in the solution is directly proportional to its mole fraction.
    \[p\propto \chi \]
    where, 
    \[p=\] partial pressure
    \[\chi =\] mole fraction.


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