Fe2 (SO4)3> Fe(OH)3>Fe2O3 > Fe2(SO4)3

Question

Fe2 (SO4)3> Fe(OH)3>Fe2O3 > Fe2(SO4)3

Answer 1

Fe2(SO4)3+6NaOH=2Fe(OH)3+3Na2SO4
2Fe(OH)3=t=Fe2O3+3H2O
Fe2O3+3H2SO4=Fe2(SO4)3+3H2O