State the oxidation state of manganese in KMnO4
Question
State the oxidation state of manganese in KMnO4
Solution
The oxidation state of manganese in KMnO4 is +7. Here's how you can determine this:
- The oxidation state of potassium (K) is +1.
- The oxidation state of oxygen (O) is usually -2.
- In KMnO4, there is one atom of potassium, one atom of manganese, and four atoms of oxygen.
So, if we let x be the oxidation state of manganese, we can set up the following equation based on the rule that the sum of the oxidation states in a neutral compound is zero:
(+1) + x + 4(-2) = 0
Solving for x gives:
x = +7
So, the oxidation state of manganese in KMnO4 is +7.
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