NEET Chemistry Raoult's Law Assertion Reason Question
Assertion (A): In a solution, the vapour pressure of the solvent is lower than that of the pure solvent.
Reason (R): Solute particles occupy part of the surface area, reducing the rate of evaporation of solvent molecules.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
Both the assertion and reason are true. The presence of solute particles on the surface of the solution reduces the surface area available for solvent evaporation, leading to a decrease in vapour pressure compared to the pure solvent.
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