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JEE Main Chemistry question

ChemistrySolutionsJEE Main

Which of the following liquid pairs shows a positive deviation from Raoult's law? [AIEEE 2004]

Answer: (B)

Solution

Benzene and methanol are dissimilar (non-polar/polar, with methanol's hydrogen bonding disrupted by benzene), so their mutual attraction is weaker than in the pure liquids, giving positive deviation.

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Question ID VK-142985