MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistrySolutionsIdeal and non-ideal solution

Which of the following pairs shows a negative deviation from Raoult's law?

A.Acetone–benzene

B.Acetone–ethanol

C.Acetone–chloroform✓ Correct

D.Benzene–methanol

Explanation

Acetone + chloroform: A-B interactions are dtronger than A-A and B-B interactions, so negative deviation.

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