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

  • question_answer
    Oxidation number of carbon in \[{{H}_{2}}{{C}_{2}}{{O}_{4}}\] is [CPMT 1982]

    A) + 4         

    B) + 3

    C) + 2         

    D) - 2

    Correct Answer: B

    Solution :

    \[\overset{*}{\mathop{{{H}_{2}}{{C}_{2}}{{O}_{4}}}}\,\]            \[2+2x-2\times 4=0\];  \[2x=8-2=6\]                                \[x=\frac{6}{2}=+3\].


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