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samy4408
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I am looking for a source about the mesomeric effect ,i couldn't find anything satisfactory, so if you have any suggestion?
What HAVE you found so far?samy4408 said:Is it any relationship between the mesomeric effect resonance structure and formal charges?
The Mesomeric effect, also known as resonance effect, is a phenomenon in chemistry where electrons are delocalized within a molecule, resulting in the stabilization of the molecule's structure.
The Mesomeric effect can either increase or decrease the reactivity of a molecule, depending on the direction of electron delocalization. If the effect stabilizes the molecule, it will decrease reactivity, and if it destabilizes the molecule, it will increase reactivity.
Some common examples include benzene, nitrobenzene, and carboxylic acids. These molecules have delocalized electrons, giving them greater stability and unique chemical properties.
The Mesomeric effect involves the delocalization of electrons, while the Inductive effect involves the shifting of electron density along a chain of atoms. The Mesomeric effect is also stronger and more long-range compared to the Inductive effect.
Yes, the Mesomeric effect can be predicted based on the structure and electronic configuration of the molecule. Generally, molecules with conjugated systems and lone pairs of electrons are more likely to exhibit the Mesomeric effect.