Question

What is the oxidation number of sulfur in sulfuric acid?

Answer 1

Answer:

The oxidation number of sulfur in H2SO4 is +6.

H2SO4

Oxidation number of H = +1

Oxidation number of O = -2

let, oxidation number of sulphur be 'x'

=> 2 × (1) + x + 4 × (-2) = 0

=> 2 + x - 8 = 0

=> x - 6 = 0

=> x = +6 Ans.

Explanation:

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Answer 2

Answer:

In sulfuric acid, the molecular formula is H2SO4 . Oxygen almost always has an oxidation number of −2 , so 4 oxygen atoms means the charge is 8− . Sulfur, in this case, has an oxidation number of +6 , which means that SO4 ion has an overall charge of 2−