1 вар-т - образ-ся TlO(OH):
4KMnO4 + 5Tl2SO4 + H2SO4 + 4H2O = 2K2SO4 + 4MnSO4 + 10TlO(OH), баланс:
2Tl+ -4e- + 4H2O = 2TlO(OH) + 6H+ | 4 | 20 | 5 |
(MnO4)- +5e- + 8H+ = Mn2+ + 4H2O | 5 | | 4 |;
10Tl+ + 4(MnO4)- + 2H+ + 4H2O = 10TlO(OH) + 4Mn2+;
2 вар-т - образ-ся Tl(OH)3:
4KMnO4 + 5Tl2SO4 + H2SO4 + 14H2O = 2K2SO4 + 4MnSO4 + 10Tl(OH)3, баланс:
2Tl+ -4e- + 6H2O = 2Tl(OH)3 + 6H+ | 4 | 20 | 5 |
(MnO4)- +5e- + 8H+ = Mn2+ + 4H2O | 5 | | 4 |;
10Tl+ + 4(MnO4)- + 2H+ + 14H2O = 10Tl(OH)3 + 4Mn2+.