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

💡 Solution & Explanation

Heating $KMnO_4$ is a classic method for generating pure oxygen gas. It decomposes into green Potassium Manganate ($K_2MnO_4$), black Manganese Dioxide ($MnO_2$), and liberates $O_2$ gas.