Why is O2 necessary for rusting?

2 answers:

6 0

O2 isn't necessary for rusting, but some source of oxygen is required. Rust is just another name for iron oxide, and without oxygen there can't be oxide.

Hope this helps,

Davinia.

zaharov [31]3 years ago

4 0

$0_2$ = Oxygen

Rusting, is a common name for a process which is scientifically know as oxidising. In this process, materials get oxidised, which as its name suggest, is an interaction between the material and oxygen.

So yes, there must be oxygen in the process. If there wasn't a source of oxygen, oxides (compound with oxygen in it) wouldn't be formed.

Hope it helped,

BioTeacher101

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