Question
If electrophilic addition to benzene is overall an endergonic reaction, how can electrophilic addition to an alkene be overall an exergonic reaction?
Step 1
This step is endergonic because it requires energy to break the aromaticity of the benzene ring. However, in the subsequent steps of the reaction, the aromaticity is restored and the overall reaction becomes exergonic. This is because the formation of the new Show more…
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