NEET 2012 Chemistry question

ChemistrySolutionsNEET 2012

and are the vapour pressure of pure liquid components, A and B, respectively of an ideal binary solution. If represents the mole fraction of component A, the total pressure of the solution will be

Answer: (1)

Solution

By Raoult's law for an ideal binary solution, . Since , , so $ = + - = + -

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Question ID VK-091096