Engineering
Chemistry
Oxidation Number and Calculation
Oxides Peroxides Superoxides and Hydroxide
Question
Find oxidation number of oxygen in CaO2.
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Solution
There is peroxide linkage in CaO2
The oxidation number of Ca is +2
Let the oxidation number of O be x
∴ +2 + 2x = 0
∴ 2x = −2
∴ x = − 1
Therefore, the oxidation number of O in CaO2 is −1.
