At `35^(@)` C the vapour pressure of `CS_(2)` is 512 mm Hg and of asetone is 344 mm Hg.A solution of `Cs_(2)` and acetone in which the mole fraction of `CS_(2)` is 0.25, has a total vapour pressure of600 mmHg .which of the following Statement is /are correct?

Options

A. a mixture of 100 ml of aceton and 100 mL of `CS_(2)` has a volume of 200 mL
B. when mixture and `CS_(2)` are mixed at `35^(@)C` heat must be abosrbed in order to produce a solution at `35^(@)C`.
C. when acetone and `CS_(2)` are mixed t `35^(@)C` heat is realsed
D. there is negative deviation from Raoult's law

Answer

B, D