Question

Запишите реакции: Fe - Fe(CL)2 - Fe(OH)2 - FeS

Answer 1

1. Fe+S=FeS
2. FeS+2H2O=Fe(OH)2+H2S
3. Fe(OH)2+2NaO= FeO+2NaOH
4.FeO+2HCl = FeCl2 + H2O
5. FeCl2+ 2H2O= Fe(OH)2 + 2HCl