Which mnemonic phrase helps in remembering redox reactions?

The mnemonic "LEO the lion says GER" is a widely used phrase to help remember the concepts of oxidation and reduction in redox reactions. In this mnemonic, "LEO" stands for "Lose Electrons = Oxidation," indicating that when a substance loses electrons, it undergoes oxidation. The "GER" stands for "Gain Electrons = Reduction," meaning that when a substance gains electrons, it is undergoing reduction. This concise association helps students quickly recall which process corresponds to oxidation and which corresponds to reduction during chemical reactions, a fundamental concept in general chemistry.

Understanding redox reactions is crucial for various topics within chemistry, as these reactions are central to fields such as electrochemistry and biochemistry, among others. Being able to accurately identify which species are oxidized and reduced in a reaction often relies on remembering this key principle effectively, which is what this mnemonic aids in doing.