Skip to content

Question

Which of the following represents the preparation of KMnO 4 from pyrolusite ore?

Options

Choose one · Correct answer highlighted

Explanation

In the first step, MnO 2 is oxidized with KOH in the presence of O 2 to form K 2 MnO 4 : 2MnO 2 + 4KOH + O 2 → 2K 2 MnO 4 + 2H 2 O