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Question
Describe briefly the ionic concept of oxidation and reduction. Give an equation to illustrate.
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Solution
In the electronic concept, oxidation is a process in which an atom or ion loses an electron(s).
Zn → Zn2+ + 2e-
Oxidation is also defined as a chemical process which involves
Addition of oxygen
Addition of electronegative ion
Removal of hydrogen
Removal of electropositive ion (element)
In the electronic concept, reduction is a process in which an atom or ion gains electrons.
Cu2+ + 2e-→ Cu
The reduction is also defined as a chemical process which involves
Removal of oxygen
Addition of electropositive ion
Addition of hydrogen
Removal of electronegative ion
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