Fe + 2HCl = FeCl2 +H2
Fe(0) -2e = Fe(+2) |1
2H(+) +2e = H2(0) |1
2FeCl2 +Cl2 =2FeCl3
Fe(+2) -1e = Fe(+3) |2
Cl2(0) +2e = 2Cl(-) |1
Fe + 2HCl = FeCl2 +H2
Fe(0) -2e = Fe(+2) |1
2H(+) +2e = H2(0) |1
2FeCl2 +Cl2 =2FeCl3
Fe(+2) -1e = Fe(+3) |2
Cl2(0) +2e = 2Cl(-) |1