Make up the reaction equations: Fe-Fe (OH) 3-Fe2O3-Fe
| June 2, 2021 | education
In water in the presence of oxygen, iron hydroxide is rapidly oxidized to form iron (III) hydroxide.
4 Fe + 3O2 + H2O = 4 Fe (OH) 3.
Fe (OH) 3 is an insoluble base; when heated, it decomposes to iron (III) oxide and water.
2Fe (OH) 3 = Fe2O3 + 3H2O.
The reduction of metals from their oxides with aluminum is called aluminothermy. Iron is reduced from oxide to form alumina.
Fe2O3 + 2Al = Al2O3 + 2Fe.
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