Oxidation States of Sulfur and Phosphorus

Both S and P have many oxidation states

- and lots of redox chemistry

-2 H2S sulfide

0 S8

+2 SCl2

+4 SF4, H2SO3 sulfurous

SO32- sulfite

+6 SF6, H2SO4 sulfuric

SO42- sulfate

-3 AlP phosphide

0 P4

+3 PCl3, H3PO3 phosphorus

PO33- phosphite

+5 PF5, H3PO4 phosphoric

PO43- phosphate

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