Question

4feO + O2 + 3H2O = ?
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Answer 1

Explanation:

4 Fe(OH)2 + 2 H2O + O2 → 4 Fe(OH)3

This is an oxidation-reduction (redox) reaction:

4 FeII - 4 e- → 4 FeIII

(oxidation)

2 O0 + 4 e- → 2 O-II

(reduction)

Fe(OH)2 is a reducing agent, O2 is an oxidizing agent.