JIPMER Jipmer Medical Solved Paper-2006

  • question_answer
    If for a sucrose solution, elevation in boiling point is \[0.1{}^\circ C,\] then what will be the boiling point of NaCl solution for same molal concentration?

    A)  \[0.1{}^\circ C\]              

    B)  \[0.2{}^\circ C\]              

    C)         \[0.08{}^\circ C\]           

    D)         \[0.01{}^\circ C\]

    Correct Answer: B

    Solution :

    Elevation in boiling point is a colligative property as it depends upon the number of particles. \[\Delta {{T}_{b}}\propto n\] For sucrose, \[n=1,\,\,\Delta {{T}_{b}}=0.1{}^\circ C\] For \[NaCl,\]\[n=2,\,\,\Delta {{T}_{b}}=0.2{}^\circ C\]


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