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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

  • question_answer
    \[2Mn{{O}_{4}}^{\bigcirc -}+5{{H}_{2}}{{O}_{2}}+6{{H}^{+}}\to 2Z+5{{O}_{2}}+8{{H}_{2}}O\] In this reaction Z is:

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

    B)  \[M{{n}^{+4}}\]              

    C)         \[Mn{{O}_{2}}^{\bigcirc -}\]      

    D)         \[Mn\]

    Correct Answer: A

    Solution :

    \[2MnO_{4}^{-}+5{{H}_{2}}{{O}_{2}}+6{{H}^{+}}\xrightarrow{{}}\] \[\underset{(Z)}{\mathop{2M{{n}^{+2}}}}\,+5{{O}_{2}}+H{{k}_{2}}O\]


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