Manipal Medical Manipal Medical Solved Paper-2011

  • question_answer
    The oxidation number of iron in\[F{{e}_{3}}{{O}_{4}}\]is

    A)  \[+2\]

    B)  \[+3\]

    C)  \[\frac{8}{3}\]              

    D)  \[\frac{2}{3}\]

    Correct Answer: C

    Solution :

     In\[F{{e}_{3}}{{O}_{4}},\]let oxidation number of\[Fe=x\] \[3x+4(-2)=0\]or \[x=\frac{8}{3}\]


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