Answer:
Option (b) is the correct response. When purple-colored potassium permanganate reacts with citric acid, the colour changes from purple to colourless.
An acid that can decolorise purple coloured potassium permanganate solution is : (a) Sulphuric acid (b) Citric acid (d) Carbonic acid (d) Hydrochloric acid
An acid that can decolorise purple coloured potassium permanganate solution is : (a) Sulphuric acid (b) Citric acid (d) Carbonic acid (d) Hydrochloric acid