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At 35^(@) C the vapour pressure of CS(2...

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?

A

A mixture of 100mL of acetone and 100mL of `CS_(2)`has a volume of 200mL

B

when acetone and `CS_(2)` are mixed at `35^(@)`C ,Heat must be absorbed in order to produce a solution at`35^(@)`C.

C

Process of maxing is exothermic.

D

Entropy of mixing I szero.

Text Solution

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The correct Answer is:
B
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