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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Adsorption and adsorption isotherm

  • question_answer
    50 ml of 1 M oxalic acid is shaken with 0.5 gm of wood charcoal. The final concentration of the solution after adsorption is 0.5 M. Amount of oxalic acid absorbed per gm of charcoal is   [MP PET 2004]

    A)                 3.45 gm               

    B)                 3.15 gm

    C)                 6.30 gm               

    D)                 None

    Correct Answer: C

    Solution :

               \[W=\frac{126\times 1\times 50}{1000}\]Þ 6.3                    (Molecular weight of oxalic acid Þ163)                    \[0.5\ gm\to \frac{6.3}{2}\]                                 \[1\ gm\to \frac{6.3}{2\times 0.5}\times 1\]Þ 6.3 gm.


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