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Benzene

OCR A-level Organic ChemistryTopic 10 of 156 lessons

Revision notes for Benzene in OCR Chemistry A (H432). Read the start of any lesson here, then sign in free for the whole lesson, the R.E.C.I.P.E. recall steps and the quiz.

  1. BenzeneArenes are aromatic (ring) hydrocarbons that contain at least one benzene ring.
  2. Benzene StructureBenzene is less reactive than alkenes such as cyclohexene.
  3. Electrophilic Substitution ReactionsThe high electron density of the delocalised system attracts electrophiles.
  4. Nitration of BenzeneOne of the hydrogen atoms on the benzene ring can be replaced by a nitro- group (NO2).
  5. Halogenation of BenzeneBenzene will react with halogens in the presence of a halogen carrier.
  6. PhenolPhenols have a hydroxyl group attached directly to the benzene ring.

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