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

  • question_answer
    If \[HN{{O}_{3}}\] changes into \[{{N}_{2}}O\], the oxidation number is changed by        [BHU 1997; AFMC 2001]

    A) + 2         

    B) - 1

    C) 0             

    D) + 4

    Correct Answer: D

    Solution :

    \[HN{{O}_{3}}\] ? \[\overset{*\,\,\,\,\,\,}{\mathop{{{N}_{2}}O}}\,\]            \[1+x-6=0\] \[2x-2=0\]            \[x=+5\]          \[2x=2\]                                         \[x=\frac{2}{2}=+1\].


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