Applications of resonance in chemistry?

AI Thread Summary
Resonance is a fundamental concept in chemistry, primarily associated with the stability of molecules. The discussion highlights that while resonance structures contribute to a molecule's stability, their application extends beyond this. One significant application mentioned is in understanding transition states during chemical reactions, such as SN2 substitutions, where resonance can describe the arrangement of nucleophilic or leaving groups around a central carbon atom. This illustrates the broader relevance of resonance in predicting reaction mechanisms and stability in various chemical contexts.
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While reading organic chemistry, the textbook said that resonance is something which is found everywhere in chemistry. It applies everywhere in chemistry and so on. However so far the only application I've found of resonance is that the more resonance structures a certain molecule has, the more stable it is.

Can anybody give me any other applications of resonance in chemistry?
 
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