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  3. AMU Medical

AMU Medical AMU Solved Paper-1998

  • question_answer
    Oxidation number of iron in\[{{[Fe{{(CN)}_{6}}]}^{4-}}\]is

    A)  \[+2\]              

    B)  \[+3\]

    C)  \[-3\]                

    D)  \[-4\]

    Correct Answer: A

    Solution :

    : \[{{[\overset{x}{\mathop{Fe}}\,{{(\overset{-1}{\mathop{CN}}\,)}_{6}}]}^{4-}}\] \[x-6=-4\] \[x=+2\]


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