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At 300 K the vapour pressure of an ideal...

At 300 K the vapour pressure of an ideal solution containing one mole of A and 3 mole of B is 550 mm of Hg. At the same temperature, if one mole of B is added to this solution, the vapour pressure of solution increases by 10 mm of Hg. The vapour pressure of A and B in their pure state will be :

A

400 & 600 mm respectively

B

600 & 400 mm respectively

C

200 & 400 mm respectively

D

400 & 200 mm respectively

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The correct Answer is:
A
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