2. Questions Bank
  3. JEE Main & Advanced
  4. Chemistry
  5. Redox Reactions / रेडॉक्स अभिक्रियाएँ

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

  • question_answer
    The oxidation number of \[Mn\] in \[MnO_{4}^{-1}\] is

    A) + 7         

    B) - 5

    C) + 6         

    D) + 5

    Correct Answer: A

    Solution :

    \[Mn\] shows + 7 oxidation state in \[MnO_{4}^{-1}\]            \[\overset{*\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{MnO_{4}^{-1}}}\,\]            \[x+(-2\times 4)=-1\]            \[x-8=-1\]                                 \[x=-1+8=+7\].


You need to login to perform this action.
You will be redirected in 3 sec spinner