Given below are two statements:
Statement I: For any solution the partial vapour pressure of each volatile component in the solution is directly proportional to its mole fraction in the solution.
Statement II: The pressure that just stops the flow of solvent from its side to solution side across a semipermeable membrane is called osmotic pressure of the solution.
In the light of the above statements, choose the most appropriate answer from the options given below:
Text Solution
Verified by ExpertsB
(I) is false: Raoult's law ( 
) holds for ideal solutions, not "any" solution.
(II) is true: Osmotic pressure is the pressure that just stops solvent flow through a semipermeable membrane; for dilute solutions, 
.
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