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AIIMS AIIMS Solved Paper-1999

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

    A)  \[+4\]                                  

    B)  \[+6\]                  

    C)  \[+7\]                  

    D)         \[+8\].

    Correct Answer: D

    Solution :

    \[Os{{O}_{4}},\]Let oxidation state of \[Os\] be x. \[x+4\times (-2)=0\] \[\Rightarrow \] \[x=+8\]


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