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NEET Chemistry Redox Reactions / रेडॉक्स अभिक्रियाएँ Question Bank Self Evaluation Test - Redox Reactions

  • question_answer
    One mole of \[{{N}_{2}}{{H}_{4}}\] loses 10 moles of electrons to form a new compound, y. Assuming that all nitrogen appear in the new compound, what is the oxidation state of nitrogen in y (There is no change in the oxidation state of hydrogen )

    A) \[-1\]   

    B) \[-3\]   

    C) +3                   

    D) +5

    Correct Answer: C

    Solution :

    [c] \[\overset{-4}{\mathop{{{N}_{2}}}}\,\overset{+4}{\mathop{{{H}_{4}}}}\,\xrightarrow[N]{loss\,of\,10{{e}^{-}}}\overset{+6}{\mathop{{{N}_{2}}}}\,Y;\] O.N. of N changes from -2 to +3


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