An acid which can decolourise purple coloured potassium permanganate solution is : (a) Sulphuric acid (b) Citric acid (d) Carbonic acid (d) Hydrochloric acid
ChemistryClass 10ICSEAnswered 27 Mar 2026
Answer
Option (b) is the answer. Reaction of purple-coloured potassium permanganate with citric acid is characterised by change in colour from purple to colourless