What is the oxidation number of sulphur in Na2S4O6?
oxidation number of sulphur in Na2S4O6 is
2+4x−2∗6=0x=5/2
What is the oxidation number of the phosphorus in PF3?
Calculate the oxidation number of sulphur, chromium and nitrogen in H2SO5, Cr2O2−7 and NO−3−. Suggest structure of these compounds. Count for the fallacy.
xCr22−O2−7
xN2−O−3