JEE Main 2024 Chemistry question

Identify the mixture that shows positive deviations from Raoult's law.

(A)(CH₃)₂CO + C₆H₅NH₂
(B)CHCl₃ + C₆H₆
(C)CHCl₃ + (CH₃)₂CO
(D)(CH₃)₂CO + CS₂Correct

Answer: (D)

Solution

Acetone with aniline (A), chloroform with benzene (B) and chloroform with acetone (C) involve stronger unlike interactions (hydrogen bonding), giving negative

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Question ID VK-017418