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BCECE Medical BCECE Medical Solved Papers-2008

  • question_answer
    The value of \[\Lambda _{eq}^{\infty }\] for \[N{{H}_{4}}Cl,\,NaOH\] and NaCI are respectively, 149.74, 248.1 and\[126.4\,\,oh{{m}^{-1}}c{{m}^{2}}e{{q}^{-1}}\]. The value of \[\Lambda _{eq}^{\infty }\] of\[N{{H}_{4}}OH\]is

    A)  371.44

    B)  271.44

    C)  71.44

    D)  Cannot be predicted from given data

    Correct Answer: B

    Solution :

    \[\Lambda _{eq}^{\infty }\,(N{{H}_{4}}OH)=\Lambda _{eq}^{\infty }\,(N{{H}_{4}}Cl)+\Lambda _{eq}^{\infty }\,\,(NaOH)\]                  \[-\Lambda _{eq}^{\infty }\,(NaCl)\]                 \[=(149.74+248.1-126.4)\] \[=271.44\,\,{{\Omega }^{-1}}c{{m}^{2}}e{{q}^{-1}}\]


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