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Write Lewis structure of ion and find out oxidation state of each oxygen atom? What is the average oxidation state of oxygen in this ion?
Answers (1)
Lewis structure of is
.
Oxygen atom with no any charge has 6 electrons and Oxidation number O.N: 0.
but the other oxygen atom has 7 electrons and O.N: -1.
So, the average oxidation state is -1/2.
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