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Half reactions separate the oxidation and the reduction reactions that occur in a redox reaction. You can use it to find out which elements are oxidized and reduced, and also balance redox reactions (since the number of electrons transferred should cancel out in the two half reactions combined.
One half reaction is the oxidation reaction, and one half reaction is the reduction reaction. Whatever is losing electrons would be in the oxidation reaction, and whatever is gaining electrons would be in the reduction reaction.
Mariana Fuentes 1L wrote:A way of identifying redox reactions is : The LEO goes GER.
LEO: Lose Electrons Oxidation
GER: Gain Electrons Reduction
there's also OIL RIG, which is:
Oxidation Is Loss= OIL
Reduction Is Gain= RIG
which is referring to loss/gain of electrons
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