Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    Which of the following will have the highest boiling point at 1 atm pressure?

    A)  \[0.1\,M\,\,NaCl\]

    B)  \[0.1\text{ }M\text{ }sucrose\]

    C)  \[0.1\text{ }M\text{ }BaC{{l}_{2}}\]

    D)  \[0.1\text{ }M\text{ }glucose\]

    Correct Answer: C

    Solution :

    \[BaC{{l}_{2}}\] Gives maximum ions hence, it shows lowest vapour pressure and highest boiling point (\[\Delta {{T}_{b}}\,\alpha \,\,n;\] n is the number of ions).


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