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Grade 12th passOrganic Chemistry

arrange the following compounds in order of increasing tendency to undergo electrophillic aromatic substitution.reaction with proper explanation.
nitrobenze,benzene, tolune

Profile image of Dulal Pathak
7 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
7 Years ago
Electrophilic aromatic substitution (EAS) is where benzene acts as a nucleophile to replace a substituent with a new electrophile. That is, benzene needs to donate electrons from inside the ring.
So, benzene becomes less reactive in EAS when deactivating groups are present on it.
Deactivating groups are often good electron-withdrawing groups (EWGs).
phenol > toluene >  benzene > fluorobenzene > nitrobenzene.
Hope it helps
 
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Arun (askIITians foru expert