{ CHEM } OCR F322 2.1.1 Reaction Mechanisms

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  • Created by: kaen
  • Created on: 28-05-15 08:49
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  • REACTION MECHANISM
    • HETERO
      • breaking of covalent bond
        • both electrons to one atom
          • cation and anion
    • HOMOLYTIC
      • breaking of covalent bond
        • one electron to each aton
          • two radicals
    • CURLY ARROW
      • movement of an electron pair
      • shows either breaking or formation of covalent bond
    • ELECTRO-PHILLIC ADDITION
      • bond becomes polar
        • double bond broken
          • carbocation forms
            • alkene becomes halogeno-alkane
    • RADICAL SUBSTI-TUTION
      • initiation - radicals formed
        • propagation
          • termination - radicals used up
    • NEUTRO-PHILIC SUBSTI-TUTION
      • neutrophil attacks carbon
        • electron pair donated
          • carbon-halogen bond breaks

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