Question:
Mam what is the difference between FeO and Fe₂O₃ Both are iron oxides However , when it is asked to write the chemical name of rust it is always said to write Fe₂O₃ So mam why not FeO And mam where FeO type of rust occurs and Fe₂O₃ type of rust occurs
Answer:
Dear sahil,
Though FeO & Fe2O3 are iron oxides but they are different. FeO is Ferrous oxide having Fe2+ ion & Fe2O3 is Ferric oxide having Fe3+ ion. There are few different types of rust but we are studying about the type of rust formed when iron is exposed to high moisture content & lot of oxygen which results into formation of rust which is chemically hydrated ferric oxide. Therefore, Fe2O3 is written in chemical formula of rust.
If you want to know more about different types of rust you can visit the following page:
https://www.cwst.co.uk/types-of-rusting-and-how-metal-surface-treatment-can-help-prevent-oxidation/
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