question_answer 31)

The \[M{{n}^{3+}}\] ion is unstable in a solution and undergoes disproportionation to give \[M{{n}^{2+}}\]\[Mn{{O}_{2}}\] and \[{{\text{H}}^{+}}\]ion. Write a balanced ionic equation for the reaction.

Answer:

\[2M{{n}^{3+}}+2{{H}_{2}}O\to M{{n}^{2+}}+Mn{{O}_{2}}+4{{H}^{+}}\]