Addition of a liquid to a crystalline substance produces smoke an intense violet flames. Prepare a few grams of powdered KMnO4 (potassium permanganate) by grinding fresh granular KMnO4 to a fine ...

POTASSIUM permanganate (1 per cent solution, containing 2 per cent sodium carbonate) has been recommended 1 as a spraying reagent for detecting carbohydrates on paper chromatograms. When testing ...

Reaction of an alkene with aqueous potassium permanganate results in addition of two hydroxyl ... Add one or two drops of 5% KMnO4 to the second sample of each hydrocarbon. Compare the reactions.