An acid which can decolourise purple coloured potassium permanganate solution is :
(a) Sulphuric acid
(b) Citric acid
(d) Carbonic acid
(d) Hydrochloric acid

Question

An acid which can decolourise purple coloured potassium permanganate solution is :
(a)	Sulphuric acid
(b)	Citric acid
(d) Carbonic acid
(d) Hydrochloric acid

Accepted 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

Suggested Q&A