Under acidic aqueous conditions, the permanganate ion dissociates and forms Mn2+ and 4 mol of water. How many electrons are transferred in this reaction?

MCQS on the chemistry, properties, and reactivity of metal-containing compounds. Topics include atomic structure and electron configurations, bonding theories, ionic bonding, ionic solids and packing structures, band theory, alloys, semiconductors, and superconductors, inorganic acids and bases, and the properties and compounds of Group 1-7 elements.