Question

What is the valency of iron in fe2so43

Answer 1

Answer:

So here, the valency of Fe(cation) is the subscript of SO₄ (anion) and the valency of SO₄ is the subscript of Fe. From the given formula, 3 is the subscript of SO₄ and hence it is the valency of Fe.

Answer 2

Answer:

+3

Explanation:

Fe2(SO4)3

3 SO4 units combine with Fe so valency of Fe is +3

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