CUET Preparation Today
When Fe is rusted, then in the final product Fe is present in which oxidation state? |
+2 state +3 state Elemental state None of these |
+3 state |
The ferrous ions (Fe2+) are further oxidized by atmospheric oxygen to ferric ions (Fe3+) which come out as rust in the form of hydrated ferric oxide (Fe2O3.xH2O) and with further production of hydrogen ions. |
