MHT CET Chemistry question

For a dilute solution Raoult's states that

(A)the lowering of the vapour pressure is equal to mole fraction of solute
(B)The relative lowering of vapour pressure is equal to mole fraction of soluteCorrect
(C)The relative lowering of vapour pressure is proportional to the amount of solute in solution
(D)The vapour pressure of the solution is equal to the mole fraction of solvent

Answer: (B)

Solution

Raoult's law gives , i.e. the relative lowering (not the absolute lowering) equals the mole fraction of the

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Question ID VK-060682