JEE Main & Advanced Chemistry Redox Reactions / रेडॉक्स अभिक्रियाएँ Question Bank Oxidation number and Oxidation state

  • question_answer
    Oxidation number of \[Fe\]in \[{{K}_{3}}[Fe{{(CN)}_{6}}]\] is [AMU 1988]

    A)                 + 2         

    B)                 + 3

    C)                 + 1         

    D)                 + 4

    Correct Answer: B

    Solution :

           \[\overset{*\,\,\,\,\,\,\,}{\mathop{{{K}_{3}}[Fe{{(CN)}_{6}}]}}\,\]            \[1\times 3+x+(-1\times 6)=0\]                 \[3+x-6=0\];  \[x=+3\].


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