Question

Fe(OH)2+_= Fe(OH)3+_=FeCl3+_=Fe2(SO4)3
 

Answer 1

2Fe(OH)3 + 3Cu(Cl)2 --> 2Fe(Cl)3 + 3Cu(OH)2
2Fe(Cl)3 + 3Ag2SO4 --> Fe2(SO4)3 + 6AgCl