How Does SO3H Attach to Benzene in Electrophilic Substitution?

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SUMMARY

The electrophilic substitution of benzene involves the attachment of the sulfonyl group (SO3H) through the action of sulfuric acid (H2SO4). The key electrophile in this reaction is sulfur trioxide (SO3), which interacts with the benzene ring to form the sulfonic acid derivative. Understanding this mechanism is crucial for grasping the fundamentals of electrophilic aromatic substitution reactions.

PREREQUISITES
  • Understanding of electrophilic aromatic substitution mechanisms
  • Familiarity with sulfuric acid (H2SO4) and its role in organic reactions
  • Knowledge of the structure and reactivity of benzene
  • Basic principles of organic chemistry
NEXT STEPS
  • Study the mechanism of electrophilic aromatic substitution in detail
  • Learn about the properties and reactivity of sulfur trioxide (SO3)
  • Explore the synthesis and applications of sulfonic acids
  • Investigate the role of catalysts in electrophilic substitution reactions
USEFUL FOR

Chemistry students, organic chemists, and anyone interested in understanding electrophilic substitution reactions and the chemistry of aromatic compounds.

violeta
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The benzene are sulphonated using acid sufuric.

Please show me how the substitution happened as i really don't see how SO3H can attached to the benzene group and how the SO3H are separated from H2SO4. I really need to understand this substitution..

Thanks
 
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1. Henceforth, please use the homework subforums for questions like these.

2. The actual electrophile here is SO3. Think about that, and see if you can figure it out.
 

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