JEE Main 2020 Chemistry question

Chemistry Redox Reactions JEE Main 2020

Oxidation number of potassium in , and , respectively, is :

(A)+1, +2 and +4
(B)+2, +1 and
(C)+1, +1 and +1Correct
(D)+1, +4 and +2

Answer: (C)

Solution

Question ID VK-011797