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Total Vapour pressure of mixture of 1mol...

Total Vapour pressure of mixture of 1molA`(p_(A)^(0)=150 "torr")`and 2molB `(p_(B)^(0)=240 "torr")`is `200 "torr"`. In this case

A

there is positive deviation from Raoult's law

B

there is negative deviation from Raoult's law

C

there is no deviation from Raoult's law

D

molecular masses of A and B are also required for calculating the deviation

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The correct Answer is:
B
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