How to recognize solutions of iron (II) and iron (III) salts
September 14, 2021 | education
| How to recognize solutions of iron (II) and iron (III) salts
Iron salts can be recognized by their characteristic qualitative reactions with alkalis:
FeCl3 + 3KOH = Fe (OH) 3 ↓ + 3KCl. The sediment is red-brown in color.
FeCl2 + 2KOH = Fe (OH) 2 ↓ + 2KCl. The sediment is dirty green.
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