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

  • question_answer
    Oxidation number of osmium \[(Os)\] in \[Os{{O}_{4}}\]is                                                                 [AIIMS 1999]

    A)                 + 4         

    B)                 + 6

    C)                 + 7         

    D)                 + 8

    Correct Answer: D

    Solution :

           \[\overset{*\,\,\,\,\,\,\,\,\,\,}{\mathop{Os\,{{O}_{4}}}}\,\]            \[x+4(-2)=0\]            \[x-8=0\]                                 \[x=+8\].


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