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  • GK Test 19 (Static)
  • What is the oxidation number of manganese inmanganateion?
Multiple choice

What is the oxidation number of manganese inmanganateion?

  1. +7

  2. +6

  3. +3

  4. -681

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The manganate ion is MnO4^2-. Oxygen has -2 oxidation state, so total from 4 oxygens = -8. For ion charge -2: x + (-8) = -2, therefore x = +6.

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