What is the oxidation number for iron?

1 Answer
Jan 5, 2017

The oxidation number of the element Fe is 0.

Explanation:

However, the oxidation number of Fe in its compounds can take different values.

The most common oxidation numbers of Fe are +2, as in FeCl2, and +3, as in FeCl3.

Compounds are known in which iron has other oxidation numbers, but they are relatively unimportant at this level of study.