When solid, dark purple Potassium Permanganate () is subjected to intense thermal heating (), it und — d and f Block Elements Chemistry Question

💡 Solution & Explanation

Heating $KMnO_4$ is a classic laboratory method for generating pure oxygen gas. It essentially reverses the oxidation steps used to create it, breaking down into green Potassium Manganate ($K_2MnO_4$), black Manganese Dioxide ($MnO_2$), and liberating $O_2$ gas.