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

  • question_answer
    What will the value of \[\Delta {{V}_{mix}}\] if a solution of \[CHC{{l}_{3}}\] is mixed with a solution of acetone?

    A) \[\Delta {{V}_{mix}}=+ve\]

    B) \[\Delta {{V}_{mix}}=-ve\]

    C) \[\Delta V=0\]

    D) Cannot be predicted

    Correct Answer: B

    Solution :

    [b]
    For non-ideal solutions showing negative deviations from Raoult’s law,
    \[\Delta {{V}_{mix}}<0\] which means volume of solution is less than volume of solute and solvent.
     


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