Oxidisation is when something gains oxygen
Reduction is when something loses oxygen
(This is in terms of oxygen gain/loss)
OILRIG
(Oxidisation Is Loss - Reduction Is Gain)
This is in terms of electrons
Oxidation is when something gains ELECTRONS (use the dash in the acronym to remember, as electrons are negative - )
Reduction is when something loses ELECTRONS
I am pretty sure that in oxidation, electrons are lost. This would work better with your pneumonic! This might just be an absent minded error, I make them all the time dw :)
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