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NEET Sample Paper NEET Sample Test Paper-35

  • question_answer
    The molar ionic conductance?s at infinite dilution of \[M{{g}^{2+}}\] and \[C{{l}^{-}}\] are \[106.1\]and \[76.3\text{ }oh{{m}^{-1}}\text{ }c{{m}^{2}}\text{ }mo{{l}^{-1}}\]respectively. The molar conductance of solution of  at infinite dilution will be

    A)  \[29.8\text{ }oh{{m}^{-1}}\text{ }c{{m}^{2}}\text{ }mo{{l}^{-1}}\]

    B)  \[183.4\text{ }oh{{m}^{-1}}\text{ }c{{m}^{2}}\text{ }mo{{l}^{-1}}\]

    C)  \[285.7\text{ }oh{{m}^{-1}}\text{ }c{{m}^{2}}\text{ }mo{{l}^{-1}}\]

    D)  \[258.7\text{ }oh{{m}^{-1}}\text{ }c{{m}^{2}}\text{ }mo{{l}^{-1}}\]

    Correct Answer: D

    Solution :

    \[\wedge _{m}^{o}\left( mgC{{l}_{2}} \right)=\lambda _{M{{g}^{2+}}}^{o}+2\lambda _{C{{l}^{-}}}^{o}\] \[=106.1+2\times 76.3\] \[=258.7\,oh{{m}^{-1}}c{{m}^{2}}mo{{l}^{-1}}\]


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