Question

The chemical formulae of two different oxides of Iron (26Fe) are giver (Oxidation state of Oxygen atom = -2)
(i). Ferrous Oxide - FeO
(ii). Ferric Oxide - Fe₂O3
a) In which compound Iron (Fe) shows +2 oxidation state?
b) Write the subshell electronic configuration of Fe³+.
c) Why does iron show variable oxidation state.​

Answer 1

Answer:

a FeO

b according to new rule 8,Acc to old rule 13

c because its penultimate shell as well as valence shell are incomplete