Question

In dilute alkaline solution, MnO4– changes to :

• A. MnO42–
• B. MnO2
• C. Mn2O3
• D. MnO

Answer 1

Answer: (B)

MnO2

Answer 2

MnO4– + 2H2O + 3e– $\longrightarrow$ MnO2 + 4OH– (weak alkaline medium).