Question

Which one among the following is oxidation
a) Cl2 → 2Cl-
b) Fe → Fe2+
c) Fe2+ → Fe
d) Na+ → Na

Answer 1

Answer:

fe - fe2+

Explanation:

fe2+ + o2- = feo (iron oxide)

oxigen got stabled by getting two electron extra from fe o2-... (2,8)

hope it helps...