Question

Potassium superoxide is the inorganic compound with the formula KO 2 . It is a yellow solid that decomposes in moist air. It is a rare example of a stable salt of the superoxide ion. Which of the following statement is incorrect regarding potassium superoxide?
(1) Oxidation state of oxygen in KO 2 is - 1/ 2
(2) Oxidation state of potassium is + 1
(3) It is used in preparation of breathing mask
(4) It is a reducing agent
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Answer 1

Answer:

4) It is a reducing agent

Explanation:

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