Oxidation number of potassium in K 2 O, K 2 O 2 and KO 2 , respectively, is

Chemistry · JEE Main · NTA ExamsRedox Reactions and Electrochemistry

Oxidation number of potassium in K2O, K2O2 and KO2, respectively, is
  1. +1, +1 and +1
  2. +2, +1 and +
  3. +1, +2 and +4
  4. +1, +4 and +2 .

Answer

(A) +1, +1 and +1

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