Question

what is the oxidation number of sulphur??

Answer 1

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.

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Answer 2

Answer:

Sulphur exhibits oxidation numbers of -2, 0, +2, +4 and +6. Oxidation number -2 is seen in the sulphide ion, S--, and a typical compound is H2S, hydrogen sulphide or hydrosulphuric acid.