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NEET Sample Paper NEET Sample Test Paper-45

  • question_answer
    The number of mole of oxalate ions oxidized by one mole of \[Mn{{O}_{4}}^{-}\] ion is -

    A) 1/5                               

    B) 2/5

    C) 5/2                               

    D) 5

    Correct Answer: C

    Solution :

    \[\left[ M{{n}^{+7}}\,+\,\,{{5}^{e-}}\,\to \,\,M{{n}^{+2}} \right]\times 2\] \[\left[ {{({{C}^{+3}})}_{2}}\,\to \,\,2{{C}^{+\,4}}\,+2{{e}^{-}} \right]~\,\times \,5\]


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