Question

Thực hiện chuỗi PT phản ứng hóa học sau

a) Fe(OH)₂ -> FeSO₄ -> FeCl₂ -> Fe(NO₂)₂ -> Fe(OH)₂ -> FeO -> FeCl₂

b) Na₂SO₃ -> SO₂ -> SO₃ -> H₂SO_{4 ->} FeSO₄ -> Fe(OH)₂ -> FeCl₂

Answer 1

https://i.imgur.com/YcxCGPe.jpg

Answer 2

https://i.imgur.com/rTwMXGg.jpg

Answer 3

a,\(1.\text{H2SO4 + Fe(OH)2 → 2H2O + FeSO4}\)

\(2.\text{BaCl2 + FeSO4 → FeCl2 + BaSO4}\)

Sửa đề 3:

\(3.\text{Cu(NO3)2 + FeCl2 → Fe(NO3)2 + CuCl2}\)

\(4.\text{Fe(NO3)2 + NaOH → NaNO3 + Fe(OH)2}\)

\(5.\text{Fe(OH)2 → FeO + H2O}\)

\(6.\text{FeO + 2HCl → FeCl2 + H2O}\)