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KVPY Sample Paper KVPY Stream-SX Model Paper-8

  • question_answer
    In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of \[C{{O}_{2}}\]is:

    A) 1                                 

    B) 10

    C) 2                                 

    D)  5

    Correct Answer: B

    Solution :

    \[5{{C}_{2}}O_{4}^{2-}+2KMn{{O}_{4}}+{{H}^{+}}\xrightarrow[{}]{{}}10C{{O}_{2}}+2M{{n}^{2+}}+{{H}_{2}}O\] After balancing 10 gain or loss of electron.


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