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

  • question_answer
    The oxidation state of nitrogen in \[{{N}_{3}}H\]is [NCERT 1977, 81]

    A)                 \[+\frac{1}{3}\]

    B)                 + 3

    C)                 \[-1\]    

    D)                 \[-\frac{1}{3}\]

    Correct Answer: D

    Solution :

           In hydrazoic acid \[({{N}_{3}}H)\] nitrogen shows \[-\frac{1}{3}\] oxidation state.            \[\overset{*\,\,\,\,\,\,\,\,}{\mathop{{{N}_{3}}H}}\,\]                                 \[3x+1=0\], \[3x=-1\], \[x=-\frac{1}{3}\].


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