Essential Chemistry for IGCSE - Chemical Reactions (Section 1 - No. 37)

What is the key difference between oxidation and reduction in terms of electron transfer?
Oxidation involves the gain of electrons, reduction involves the loss.
Reduction involves the gain of electrons, oxidation involves the loss.
Both involve the gain of electrons.
Both involve the loss of electrons.

Explanation

Reduction is gain, and oxidation is loss (of electrons).

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