AP EAPCET 06-Jul-2022 Shift 2 Paper

Section: Chemistry

Question : 143 of 160

Marks: +1, -0

At 298K, vapour pressures of two pure liquids A and B are 200 and 400mmHg respectively, If mole fractions of A and B in solution are 0.7 and 0.3 respectively. What is the mole fraction of B in vapour phase?

0.279
0.721
0.538
0.462

Validate

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