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JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Compounds of Transitional Elements

  • question_answer
    In acidic medium one mole of \[MnO_{4}^{-}\] accepts how many moles of electrons in a redox process? [MP PET/PMT 1998]

    A) 1

    B) 3

    C) 5

    D) 6

    Correct Answer: C

    Solution :

    Oxidation state of Mn changes from +7 to +2 in acidic medium i.e. one mole of it accepts 5 mole of electrons.


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