undergoes disproportionation reaction in acidic medium but does not. Give reason.
In , Mn has the highest oxidation state (+7); therefore, it cannot undergo oxidation which is required for disproportionation here. Hence doesn’t undergo disproportionation reaction. Whereas in manganese is in +6 (i.e., less than that of in ) oxidation state which can be oxidised as well as reduced, hence it undergoes disproportionation.