Benzene

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  • Created by: Gemma
  • Created on: 07-02-14 17:09
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  • Benzene
    • Electrophilic substitution
      • uses electrophiles
        • electron lovers
      • Reagents conditions
        • COCH3
          • AlCl3 catalyst
          • acylium ion in excess
        • NO2+
          • Conc H2SO4
          • Conc HNO3+
          • reflux 50c
    • Structure
      • Planar
      • 120 bond angle
      • has 6 delocalised electrons
      • delocalised electron ring
      • all bond lengths are equal
    • More stable than cyclohexane
      • cyclohexane = 360KJmol-1
      • 360-208=152KJ
      • benzene has a lower energy
      • benzene is more stable
      • due to delocalised electrons
      • spread of electrons equally between carbons
  • More stable than cyclohexane
    • cyclohexane = 360KJmol-1
    • 360-208=152KJ
    • benzene has a lower energy
    • benzene is more stable
    • due to delocalised electrons
    • spread of electrons equally between carbons

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