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JEE Main & Advanced JEE Main Paper Phase-I (Held on 07-1-2020 Evening)

  • question_answer
    Two open beakers one containing a solvent and the other containing a mixture of that solvent with a nonvolatile solute are together sealed in a container. Over time: [JEE MAIN Held on 07-01-2020 Evening]

    A) The volume of the solution and the solvent does not change

    B) The volume of the solution increases and the volume of the solvent decreases

    C) The volume of the solution does not change and the volume of the solvent decreases

    D) The volume of the solution decreases and the volume of the solvent increases.

    Correct Answer: B

    Solution :

    [b] There will be lowering in vapour pressure for solution containing non-volatile solute. So, there will be transfer of solvent molecules from pure solvent to solution and hence, volume of beaker containing solvent (pure) will decrease and volume of beaker containing solution will increase.


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