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NEET Sample Paper NEET Sample Test Paper-42

  • question_answer
    Oxidation state of osmium \[\left( {{O}_{s}} \right) in {{O}_{s}}{{O}_{4}}\]is:

    A) +7                   

    B) +6    

    C) +4                   

    D) +8

    Correct Answer: D

    Solution :

    Oxidation state: It is the charge which an atom of element has in its ion. \[\overset{x}{\mathop{{{O}_{8}}\,}}\,{{O}_{4}}\]  \[\] \[\operatorname{x}-4\left( -2 \right)=0\] \[\operatorname{x}-8=0\] \[\operatorname{x}=+8\]


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