KVPY SX SB Exam 2018 Question Paper

Question : 58 of 120

Marks: +1, -0

The plot of total vapour pressure as a function of mole fraction of the components of an ideal solution formed by mixing liquids X and Y is :

Solution:

P_T = P_A + P_B

P_T = P_AºX_A + P_BºX_B

Total pressure

(P_T)

is always more than

P_A\ &\ P_B

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