JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Conductor and Conductance

  • question_answer
    Conductivity (unit Siemen?s) is directly proportional to area of the vessel and the concentration of the solution in it and is inversely proportional to the length of the vessel then the unit of the constant of proportionality is            [AIEEE 2002]

    A)                 \[Sm\,\,mo{{l}^{-1}}\]  

    B)                 \[S{{m}^{2}}\,\,mo{{l}^{-1}}\]

    C)                 \[{{S}^{-2}}{{m}^{2}}\,\,mo{{l}^{{}}}\]   

    D)                 \[{{S}^{2}}{{m}^{2}}\,\,mo{{l}^{-2}}\]

    Correct Answer: B

    Solution :

                    \[C=\frac{K[A]A}{l},\,\,K=\frac{C\times l}{[A]A}\]\[=\frac{Sm}{mol\,{{m}^{-3}}\,{{m}^{2}}}=S{{m}^{2}}mo{{l}^{-1}}\].


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