Автор - fectf6f7fu

запишите уравнения реакций Fe= FeCL2 = FeCL3 = Fe(OH)2 = Fe(OH)3 = FeSO4 = Fe2(SO4)3

Ответ

Автор - macha1125

1) Fe + 2HCl = FeCl2 + H2

2) 2FeCl2 + Cl2 = 2 FeCl3

3) 2FeCl3 + 2KI = 2 FeCl2 +I2 + 2 KCl;  FeCl2 + 2 NaOH = Fe(OH)2 + 2NaCl

4) 4Fe(OH)2 + O2 + 2H2O = 4Fe(OH)3

5) 2Fe(OH)3 = Fe2O3 + 3H2O; Fe2O3 + H2 = 2FeO + H2O; FeO + H2SO4 = FeSO4 + H2O

6) 2FeSO4 + H2SO4 + 2HNO3 = Fe2(SO4)3 + 2NO2 + 2 H2O


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