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BHU PMT BHU PMT (Screening) Solved Paper-2006

  • question_answer
    Anon-ideal solution was prepared by mixing 30 mL chloroform and 50 mL acetone. The volume of mixture will be:

    A)  > 80 mL                               

    B)  < 80 mL

    C)  = 80 mL                               

    D)  > 80 mL

    Correct Answer: B

    Solution :

                     Chloroform and acetone form a non-ideal solution in which A...B type interaction are more than A.. A and B...B type interaction due to H-bonding. Hence, the solution shows, negative deviation from Raoult's law, i.e., \[\Delta {{V}_{mix}}=-ve;\Delta {{H}_{mix}}=-ve\] \[\therefore \]total volume of solution = less than (30 + 50 mL) or < 80 mL


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