NEET 2026 Chemistry question

Mixture of chloroform and acetone forms a solution with negative deviation from Raoult's law due to :

(1)Increase in escaping tendency of molecules of each component.
(2)Formation of hydrogen bonding between acetone and chloroformCorrect
(3)Stronger intermolecular forces between chloroform molecules than those between chloroform and acetone molecules.
(4)Repulsive forces.

Answer: (2)

Solution

The of (made acidic by three Cl atoms) forms a hydrogen bond with the carbonyl oxygen of acetone, . The A-B interactions become stronger than A-A and B-B interactions, so the escaping tendency of each component decreases,

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Question ID VK-104895