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

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

A.Water–hydrochloric acid (b) Water–nitric acid

C.Acetone–chloroform

D.Benzene–methanol✓ Correct

Explanation

Benzene + Methanol A-B interactions are weaker than A-A and B-B interactions, so positive deviation. SOLUTIONS 36

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