Question

Осуществите превращения:
Fe(OH)3 -> x1 -> FeS -> x2 -> Fe(OH)3

Answer 1

Ответ:

Fe(OH)₃ → x1→х2 → FeS → x3 →x4 Fe(OH)₃

2Fe(OH)₃=Fe₂O₃+3H₂O

Fe₂O₃+3H₂=2Fe+3H₂O

Fe+S=FeS

FeS+H₂SO₄=FeSO₄+H₂S

FeSO₄+2NaOH=Na₂SO₄+Fe(OH)₂↓

4Fe(OH)₂ + O₂ +2H₂O = 4Fe(OH)₃↓