Which of the following statements is/are correct about acetone and trichloromethane mixture? (a)...

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Which of the following statements is/are correct about acetone and trichloromethane mixture?
(a) Mixtures of acetone and trichloromethane shows positive deviation from Raoult's law
(b) The forces of attraction acting between molecules of acetone and trichloromethane in a mixture are stronger than those acting between the molecules in pure acetone
(c) Pure acetone can be obtained by the careful fractional distillation of any mixture of acetone and trichloromethane
(d) When acetone and trichloromethane are mixed, the enthalpy change is negative
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