JEE Main 2018 Chemistry question

Chemistry The p-Block Elements JEE Main 2018

In KO, the nature of oxygen species and the oxidation state of oxygen atom are, respectively :

(A)Superoxide and –1
(B)Superoxide and –1/2Correct
(C)Peroxide and –1/2
(D)Oxide and –2

Answer: (B)

Solution

Question ID VK-009690