MHT CET 2022 Chemistry question

What is oxidation number of oxygen in super oxide?

(A)+ 2
(B)+ 1
(C)Correct
(D)

Answer: (C)

Solution

The superoxide ion is (as in ). If the oxidation number of each O is , then , so (fractional because it is an average value). Hence (C). For comparison: in

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Question ID VK-095945