1.

At 35^@C , the vapour pressure of CS_2 is 512 mm Hg and that of acetone is 344 mm Hg . A solution of CS_2 in acetone has a total vopour pressure of 600 mmHg. The false statement amongst the following is

Answer»

A MIXTURE of 100 ml of acetone and 100 ml of `CS_2` has a total volume of 200 ml.
When acetone and `CS_2` are mixed at `35^@C` , HEAT must be absorbed in order to PRODUCE a solution at `35^@C`
When acetone and `CS_2` are mixed at `35^@C` , heat is released .
Raoult's law is obeyed by both , `CS_2` and acetone for the solution in which the moles fraction of `CS_2` is 0.25

Answer :B


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