What is the oxidation state of manganese in ?
Answer and explanation
Correct answer: D. +7
- Step 1: In potassium permanganate (), the overall compound is neutral with oxidation state sum equal to zero.
- Step 2: Assign standard oxidation states: potassium is and each oxygen is , giving .
- Step 3: Solve for manganese: .
Answer
+7.
Practise more Redox reactions.
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