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NEET Chemistry Electrochemistry / विद्युत् रसायन Question Bank Self Evaluation Test - Electrochemistry

  • question_answer
    Conductance of \[0.1\text{ }M\text{ }KCl\] (conductivity = \[X\,\,Oh{{m}^{-1}}c{{m}^{-1}}\] filled in a conductivity cell is  \[Y\,\,Oh{{m}^{-1}}\]. If the conductance of  \[0.1\text{ }M\text{ }NaOH\] filled in the same cell is \[Z\,\,Oh{{m}^{-1}},\] the molar conductance of \[NaOH\] will be

    A) \[{{10}^{3}}\frac{XZ}{Y}\]                 

    B) \[{{10}^{4}}\frac{XZ}{Y}\]

    C) \[10\frac{XZ}{Y}\]                                

    D) \[0.1\frac{XZ}{Y}\]

    Correct Answer: B

    Solution :

    [b] Conductivity (X) = conductance [c] \[\times \] cell constant \[\therefore \text{ }Cell\text{ }constant=\frac{X}{Y}\] Conductivity of \[NaOH=\frac{X}{Y}.Z\] Molar conductance of \[NaOH\] \[=\frac{X}{Y}.Z\times \frac{1000}{0.1}=\frac{XZ}{Y}{{10}^{4}}\]


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