JEE Main Chemistry question

Which of the following mixture does not show positive deviation from the Raoult's law? [MP PET 2003]

(A)Benzene + acetone
(B)Acetone + ethanol
(C)Acetone + chloroformCorrect
(D)Water + ethanol

Answer: (C)

Solution

Acetone and chloroform interact via hydrogen bonding (the acidic C-H of chloroform with the carbonyl O of acetone), making the - attraction stronger than in the pure liquids, which

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Question ID VK-143001