Cl2 —> HCL —> FeCl3 —> Fe(OH)3

Question

Cl2 —> HCL —> FeCl3 —> Fe(OH)3

Answer 1

Сl2 + H2 = 2HCl
3HCl + Fe(ОН)3 = FeCl3 + 3H2O
FeCl3 + 3КOH = Fe(OH)3 + 3КCl

Answer 2

Сl2 + H2 -> 2HCl
6HCl + Fe2O3 -> 2FeCl3 +3 H2O
FeCl3 + 3NaOH -> Fe(OH)3 + 3NaCl