Question

fe-feo-fecl2-fe(oh)2-fe(oh)3-fe2o3

Answer 1

Fe + Fe₂O₃ (t=1000°C)= 3FeO

FeO + 2HCl = FeCl₂ + H₂O

FeCl₂ + 2KOH = 2KCl + Fe(OH)₂↓

4Fe(OH)₂ + O₂ + 2H₂O = 4Fe(OH)₃

2Fe(OH)₃ (t)= Fe₂O₃ + 3H₂O↑