Simple Description

A type of reaction where oxygen is added to a substance or where an atom or ion loses electrons

Further Detail

OILRIG stands for "Oxidation Is Loss of electrons, Reduction Is Gain of electrons". When an atom or ion loses electrons this is classed as an oxidation reaction. For example, during the electrolysis of sodium chloride the chloride ions lose electrons at the positive electrode - they are oxidised to form chlorine atoms.

Related Words:

• OIL RIG
• Reduction
• Electrolysis

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