CHE101Tutorial 5 Week 17 - 21 September 2018 Using the half-reaction method, balance the following reactions: (a) H2O2(aq) + ClO4-(aq) ClO2-(aq) + O2(aq) in basic solution. (b) the disproportionation of Ru2+(aq) ion in acid solution as given by Ru2+(aq) RuO42-(aq) + Ru(s)