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Total vapour pressure of mixture of 1 mo...

Total vapour pressure of mixture of 1 mol of volatile component A(`p_(A)^(@)=100`mm Hg) and 3 mol of volatile component B(`p_(B)^(@)`=60 mm Hg) is 75 mm. For such case:

A

there is positive deviation from Raoult's law

B

boiling point has been lowered

C

force of attraction between A and B is smaller than that between A and A or between B and B

D

all the above statements are correct.

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The correct Answer is:
D
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