Question

How to calculate valency of so4

Answer 1

Answer:

Valency of SO4 = 2

To get valency of SO4, let us consider valency of sulphur and oxygen. Sulphur has 6 electrons in its outer shell. Oxygen has a oxidation no. -2, for four oxygen atoms, we have oxidation number of -8.

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Answer 2

Answer:

hello friends calculate oxidation number

Explanation:

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