JEE Main 10 Jan 2019 Shift 1 Solved Paper

Section: Chemistry

Question : 77 of 90

Marks: +1, -0

Liquids A and B form an ideal solution in the entire composition range. At 350 K, the vapor pressures of pure A and pure B are 7 × 103 Pa and 12 × 103 Pa, respectively. The composition of the vapor in equilibrium with a solution containing 40 mole percentof A at this temperature is :

[10 Jan 2019 Shift 1]

xA = 0.37; xB = 0.63
xA = 0.28; xB = 0.72
xA = 0.76; xB = 0.24
xA = 0.4; xB = 0.6

Validate

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