Oxidation Number Concept
It denotes the oxidation state of an element in a compound Rules to assign Oxidation number: Elements in free state have zero oxidation number.Ex: H2, O2, N2, C etc. have 0 oxidation number For ions composed of only one atom, the charge on the ion is its oxidation number. Ex: Cl– → -1 oxidation number Mg2+ → Read more about Oxidation Number Concept[…]