+7 -1 +2 0
KMnO4 + HBr MnBr2 + Br2 + Kbr + H2O
+7 +2
Mn -5e -- Mn 2
-1 0
2Br +2e ---Br2 5
2KMnO4+16HBr=5Br2+2KBr+2MnBr2+8H2O
+7 -1 +2 0
KMnO4 + HBr MnBr2 + Br2 + Kbr + H2O
+7 +2
Mn -5e -- Mn 2
-1 0
2Br +2e ---Br2 5
2KMnO4+16HBr=5Br2+2KBr+2MnBr2+8H2O