Equation chain: Fe-FeCl3-Fe OH 3-Fe2O3-Fe.
| December 21, 2020 | education
1) 2Fe + 3Cl2 = 2FeCl3
2) FeCl3 + 3NaOH = Fe (OH) 3 + 3NaCl
3) 2Fe (OH) 3 = Fe2O3 + 3H2O (above the “t” arrow, because the reaction occurs when iron (III) hydroxide is calcined)
4) Fe2O3 + 3H2 = 2Fe + 3H2O (reaction occurs when heated)
Also, this option is possible:
Fe2O3 + 3CO = 2Fe + 3CO2 (reaction occurs when heated)
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