JEE Main & Advanced Chemistry Solutions / विलयन Question Bank Lowering of vapour pressure

  • question_answer
    Which solution will show the maximum vapour  pressure at 300 K                                              [DPMT 2001]

    A)             1 M \[C{{}_{12}}{{H}_{22}}{{O}_{11}}\]  

    B)                 1 M \[C{{H}_{3}}COOH\]

    C)                 1 M \[NaC{{l}_{2}}\]          

    D)                 1 M \[NaCl\]

    Correct Answer: A

    Solution :

             Sucrose will give minimum value of \[\Delta P\].            \[\Delta P={{P}^{0}}-{{P}_{s}}\]                 \[{{P}_{s}}={{P}^{0}}-\Delta P\]is maximum.


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