JEE Main 7 Jan 2020 Shift 1 Solved Paper

Section: Chemistry

Question : 38 of 75

Marks: +1, -0

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 :

[7-Jan-2020 Shift 1]

heat must be absorbed in order to produce the solution at 35°C
Raoult's law is not obeyed by this system
a mixture of 100 mL CS2 and 100 mL acetone has a volume < 200 mL
CS2 and acetone are less attracted to each other than to themselves

Validate

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