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JEE Main & Advanced Chemistry Solutions / विलयन Question Bank Colligative properties of electrolyte

  • question_answer
    0.01 molar solutions of glucose, phenol and potassium chloride were prepared in water. The boiling points of

    A)                 Glucose solution = Phenol solution = Potassium chloride solution

    B)                 Potassium chloride solution > Glucose solution > Phenol solution

    C)                 Phenol solution > Potassium chloride solution > Glucose solution

    D)                 Potassium chloride solution > Phenol solution > Glucose solution

    Correct Answer: D

    Solution :

             \[\underset{\text{Boiling point decreasing order }\to }{\mathop{KCl>{{C}_{6}}{{H}_{5}}OH>{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\]             Potassium chloride is ionic compound and phenol is formed phenoxide ion hence it is shows greater boiling point then glucose.


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