JCECE Engineering JCECE Engineering Solved Paper-2004

  • question_answer
    Oxidation number of fluorine is \[+1\] in:

    A) \[{{F}_{2}}O\]                                   

    B) \[N{{F}_{3}}\]

    C)  both [a] and [b]              

    D)   none of these

    Correct Answer: D

    Solution :

    Key Idea: Sum of oxidation number of all elements in a compound is always zero. [a] Let oxidation number of \[F\] in \[{{F}_{2}}O=x\] \[\therefore \]  \[2x+(-2)=0\]                 \[x=+1\]


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