The oxidation state of potassium dichromate.
| December 20, 2020 | education
The oxidation state of potassium is +1, oxygen is -2.
Let’s count the number of negative charges: 7 * (- 2) = -14 The number of positive charges should be +14. Potassium has two positive charges, therefore chromium has 12.
Since there are two chromium atoms in the formula, we divide 12 by two: 12: 2 = 6. +6 is the oxidation state of chromium.
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