Question

How do you calculate the valency of SO4 ion

Answer 1

Answer:

2

Explanation:

To get valency of SO4 ion, we take 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.

Answer 2

Answer:

valency of SO4 (sulphate) ion=2