Multiple choice

The number of electrons that are involved in the reduction of permanganate to manganese (II) salt, manganate and manganese dioxide respectively are __________.

  1. 5, 1 and 3

  2. 5, 3 and 1

  3. 2, 7 and 1

  4. 2, 3 and 1

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct  because in reduction of permanganate ion to manganese (II) salt, 5 electrons are involved,  In case of the manganate ions, 3 electrons are involved and in manganese oxide, only 1 electron is involved.

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