JEE PYQ: Redox Reactions Question 10
Question 10 - 2021 (26 Feb Shift 2)
In mildly alkaline medium, thiosulphate ion is oxidized by MnO₄⁻ to “A”. The oxidation state of sulphur in “A” is:
Show Answer
Answer: 6
Solution
S₂O₃²⁻ + MnO₄⁻ → SO₄²⁻ (in alkaline medium). Oxidation state of S = +6.