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NEET Sample Paper NEET Sample Test Paper-24

  • question_answer
    The boiling point of \[0.2\,mol\,k{{g}^{-1}}\] solution of X in water is greater than equimolal solution of Y in water. Which one of the following statements is true in the case?

    A)  Molecular mass of X is less than the molecular mass of Y.

    B)  Y is undergoing dissociation in water while X undergoes no change.

    C)  X is undergoing dissociation in water.

    D)  Molecular mass of X is-greater than the molecular mass of Y.

    Correct Answer: C

    Solution :

    \[\Delta {{\Tau }_{b}}=iK{{b}_{m}}\] For equilibrium solutions, elevation in boiling point will be higher if solution undergoes dissociation i.e.,\[i>1.\]


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