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Manipal Medical Manipal Medical Solved Paper-2009

  • question_answer
    The number of moles of\[KMn{{O}_{4}}\]reduced by one mole of KI in alkaline medium is

    A)  one            

    B)  two

    C)  five            

    D)  one fifth

    Correct Answer: B

    Solution :

     \[2KMn{{O}_{4}}+{{H}_{2}}O+KI\xrightarrow[{}]{{}}2Mn{{O}_{2}}\]        \[+2KOH+KI{{O}_{3}}\] Hence, one mole of\[KI\]reduces two moles of \[KMn{{O}_{4}}\].


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