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11-03-2024
Chemistry

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At 35°C, the vapour pressure of CS2 is 512 mm Hg and that of acetone is 344 mm Hg. A solution of CS₂ in acetone has a total vapour pressure of 600 mm Hg. The false statement amongst the following is :
(1) heat must be absorbed in order to produce the solution at 35°C
(2) Raoult's law is not obeyed by this system
(3) a mixture of 100 mL CS₂ and 100 mL acetone has a volume < 200 mL
(4) CS₂ and acetone are less attracted to each other than to themselves

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