Напишите пожалуйста, цепочки превращений:
1. Fe -> FeCl2 -> FeCl3 -> Fe(OH)3
2. Fe(OH)3 -> Fe2O3 -> Fe -> FeCl3
1. Fe -> FeCl2 -> FeCl3 -> Fe(OH)3
2. Fe(OH)3 -> Fe2O3 -> Fe -> FeCl3
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Answers & Comments
1) Fe + Cl2 = FeCl2
2 FeCl2 + Cl2 =2 FeCl3
FeCl3 +3 NaOH = Fe(OH)3 + 3NaCl
2) 2Fe(OH)3 = Fe2O3 + 3H2O
2 Fe2O3 = 4Fe + 3O2
2Fe + 6HCl =2 FeCl3 +3 H2