oxidation & reduction
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Oxidation
Oxidation or de-electronation is a process which releases electrons. In oxidation, oxidation number increases
Ex. Na—–> Na++e
Cu——-> Cu++
Al ——-> Al+++
Ca ——->Ca++
Reduction
Reduction is a process which gains electron. In reduction, oxidation number decreases
O+2e —–> O– –
F +e ——->F–
Cl +e ——>Cl–
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