Oxidation number of potassium in K 2 O, K 2 O 2 and KO 2 , respectively, is
Chemistry · JEE Main · NTA Exams — Redox Reactions and Electrochemistry
Oxidation number of potassium in K2O, K2O2 and KO2, respectively, is
- +1, +1 and +1
- +2, +1 and +

- +1, +2 and +4
- +1, +4 and +2 .
Answer
(A) +1, +1 and +1
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