Question

осуществите превращения: Fe →FeCI2→Fe(OH)2→FeO Fe→FeCI3→Fe(OH)3→Fe2O3

Answer 1

Fe + 2HCl -> FeCl2 + H2
FeCl2 + 2NaOH -> Fe(OH)2 + 2NaCl
 Fe(OH)2 -> FeO + H2O
 3FeO + 2Al -> Al2O3 + 3Fe
2Fe + 3Cl2 ->2 FeCl3
 FeCl3 + 3NaOH -> Fe(OH)3 + 3NaCl
 2Fe(OH)3 -> Fe2O3 + 3H2O