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VIT Engineering VIT Engineering Solved Paper-2008

  • question_answer
    The oxidation number .of oxygen in \[K{{O}_{3}},N{{a}_{2}}{{O}_{2}}\]is

    A)  \[3,2\]          

    B)  \[1,0\]

    C)  \[0,1\]          

    D)  \[-0.33,-1\]

    Correct Answer: D

    Solution :

        \[K{{O}_{3}}\]                                    \[N{{a}_{2}}{{O}_{2}}\] Suppose O.N. of \[O=x\]             Suppose O.N. of \[O=x\] \[+1+3x=0\]                               \[2\times 1+2x=0\] \[3x=-1\]                                     \[2+2x=0\] \[x=-\frac{1}{3}\]                                      \[2x=-2\] \[\]                                \[x=-\frac{2}{2}\]                                                       \[x=-1\]


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