Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

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 percent of A at this temperature is:

  1. A

    XA = 0.37; XB = 0.63

  2. B

    XA = 0.28; XB = 0.72 

  3. C

    XA = 0.76; XB = 0.24   

  4. D

    XA = 0.4; XB = 0.6

Solution

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