Question

Explain oxidation and reduction in terms of loss or gain of electrons.

Answer 1

Oxidation: In the electronic concept, oxidation is a process in which an atom or ion loses an electron(s).
Zn → Zn²⁺ + 2e^-
Reduction: In the electronic concept, a reduction is a process in which an atom or ion accepts electron(s).
Cu²⁺ + 2e^- → Cu