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Vapour pressure of pure CS 2 and...

Vapour pressure of pure ` CS _ 2 ` and ` CH _ 3 COCH _ 3 ` are 512 mm of Hg and 312 mm of Hg respectively. Total vapour pressure of mixture is 600 mm of Hg then find incorrect statement :

A

B

Does not obey Raoult's law

C

Endothermic solution

D

after adding 100 ml of each, then net volume is less then 200 ml

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The correct Answer is:
D
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