MHT CET Chemistry question

When an ideal binary solution is in equilibrium with its vapour, molar ratio of the two components in the solution and in the vapour phase is

(A)Same
(B)Different
(C)May or may not be same depending upon volatile nature of the two componentsCorrect
(D)Depend upon molecular weight of components

Answer: (C)

Solution

The vapour is richer in the more volatile component, so the ratios differ whenever , and they would be equal only if the two components were

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Question ID VK-060688