Balance the following redox reactions by ion – electron method :(a) MnO4– (aq) + I– (aq) ? MnO2 (s) + I2(s) (in basic medium)(b) MnO4– (aq) + SO2 (g) ? Mn2+ (aq) + HSO4– (aq) (in acidic solution)(c) H2O2 (aq) + Fe2+ (aq) ? Fe3+ (aq) + H2O (l) (in acidic solution)(d) Cr2O7 2– + SO2(g) ? Cr3+ (aq) + SO42– (aq) (in acidic solution)

sudhanshu , 10 Years ago

Grade 12