Science, asked by asherk9riswatnagarg, 1 year ago

Valency of iron is 2, valency of oxygen is 2. then how come chemical formula for iron is Fe2O3.

Answers

Answered by Mayukh03

3

Iron has variable valency.It has 2 valancies,that are +2 and +3.In case of Fe2O3,the valency Iron is +3 and so the formula of ferric oxide is Fe2O3.

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