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J & K CET Medical J & K - CET Medical Solved Paper-2002

  • question_answer
    In which of the following compounds manganese has oxidation number equal to that of iodine in\[KI{{O}_{4}}\]?

    A)  Potassium manganite

    B)  Potassium permanganate

    C)  Manganous chloride

    D)  Manganese chloride

    Correct Answer: B

    Solution :

                    Let the oxidation number of\[I\]in\[KI{{O}_{4}}\]is\[x.\] \[(+1)+x+4(-2)=0\] \[1+\text{ }x-8=0\] \[x=+7\] The oxidation number of\[Mn\]in potassium permanganate is also +7. \[(+1)+x+4(-2)=0\] \[1+x-8=0\] \[x=+7\]


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