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

  • question_answer
    The oxidation number of  N in \[{{N}_{2}}H_{5}^{+}\]     [Pb. PMT 2001]

    A) - 3         

    B) (- 2)

    C) - 1         

    D) + 2

    Correct Answer: B

    Solution :

    \[\overset{*\,\,\,\,\,\,\,\,\,}{\mathop{{{N}_{2}}H_{5}^{+}}}\,\]           \[2x+5=+1\]; \[2x=1-5\]                 \[2x=-4\];  \[x=-2\].


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