Thực hiện những chuyển đổi hoá học sau bằng cách viết những phương trình hoá học ( ghi điều kiện phản ứng, nếu có). Fe(OH)3 , Fe2O3 ,Fe, FeSO4 ,FeCl2

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Đáp án:

 

Giải thích các bước giải:

`2Fe(OH)_3` $\xrightarrow{t^o}$ `Fe_2 O_3 + 3H_2 O`

`Fe_2 O_3 + 2Al` $\xrightarrow{t^o}$ `2Fe + Al_2 O_3`

`Fe + H_2 SO_4 -> FeSO_4 + H_2↑`

`FeSO_4 + BaCl_2 -> FeCl_2 + BaSO_4↓`

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