The reaction, 3ClO−(aq)⟶ClO−3(aq)+2Cl−(aq) is an example of:
Disproportionation Reaction
The given reaction is:
3+1Cl−2O−(aq)⟶+5Cl−2O−3(aq)+2−1Cl−(aq)
ClO− is oxidised to ClO−3 ; ClO− is also reduced to Cl− . Hence it is a disproportionation reaction.