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NEET Sample Paper NEET Sample Test Paper-22

  • question_answer
    When a substance is dissolved in a solvent the vapour pressure of that solvent decreases. It brings

    A)  A decrease in freezing point of the solution

    B)  An increase in boiling point of the solution

    C)  A decrease in boiling point of the solution.

    D)  An increase in freezing point of the solution

    Correct Answer: B

    Solution :

    When a substance is added in a solvent, the vapour pressure of solvent decrease and it brings an increase in the boiling point of solution as \[V.P.\propto \frac{1}{B.P.}\] Hence, the correct option is (b).


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