What is the oxidation number for sulfur?

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Answer 1 · 2014-01-11T20:00:10

The oxidation number of sulfur depends on the compound it is in.

For example,

In H₂SO₄, the oxidation number of S is +6.

In Na₂S₂O₆, the oxidation number of S is +5.

In H₂SO₃, the oxidation number of S is +4.

In Na₂S₂O₃, the oxidation number of S is +2.

In S₈, the oxidation number of S is 0.

In H₂S, the oxidation number of S is -2.