JEE PYQ: Redox Reactions Question 13
Question 13 - 2020 (07 Jan Shift 1)
Oxidation number of potassium in K₂O, K₂O₂ and KO₂, respectively, is:
(1). (+2, +1 and +1/2)
(2). (+1, +1 and +1)
(3). (+1, +4 and +2)
(4). (+1, +2 and +4)
Show Answer
Answer: (2)
Solution
Potassium always shows +1 oxidation state in its oxides, peroxides and superoxides.