JEE Main & Advanced Chemistry Redox Reactions / रेडॉक्स अभिक्रियाएँ Question Bank Oxidation Reduction

  • question_answer
    \[{{H}_{2}}{{O}_{2}}\] reduces \[Mn{{O}_{4}}^{-}\]ion to     [KCET (Med.) 2000]

    A)                 \[M{{n}^{+}}\]        

    B)                 \[M{{n}^{2+}}\]

    C)                 \[M{{n}^{3+}}\]      

    D)                 \[M{{n}^{-}}\]

    Correct Answer: B

    Solution :

              \[2MnO_{4}^{\Theta }+5{{H}_{2}}{{O}_{2}}+6{{H}^{+}}\]\[\to M{{n}^{2+}}+5{{O}_{2}}+8{{H}_{2}}O\].


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