How to calculate the oxidation number of Fe and S in compound FeS2?

Dhanalakshmi · July 16, 2019, 10:39am

How to calculate the oxidation number of Fe and S in compound FeS₂? please explain briefly. I am in great trouble

Dhanalakshmi · July 16, 2019, 10:40am

The iron and sulfur atoms in FeS₂ are arranged as Fe–S–S rather than S–Fe–S. S₂^-2 is the persulfide. In FeS₂, iron is assigned an oxidation number of 2+, since persulfide has an oxidation number of −2, where each sulfur atom is assigned an oxidation number of -1.