MnO2 has an oxidation state of +4 and it can react with both acids and bases. That is the reason it is amphoteric in nature. The reaction of MnO2with a base: 2 2 2 4 2 2MnO + 4KOH + O 2K MnO 2H O -> The reaction of MnO2 with an acid: 2 2 2 2 MnO + 4HCl MnCl + Cl 2H O -> Hence, option (d) is the correct one.
Take chapter-wise tests, track your progress, and master d and f Block elements.
Start Free Practice →