Reaction Intermediate | Reaction Mechanism |

  • They are generated by the breaking of the covalent bond of substrate.
  • Are highly reactive.
  • Are short-lived species.

5 important types

  1. Carbocation : carbon atom cantaining six electrons and carries positive charge.
  2. Carbanion : carbon atom carries the eight electrons and carries negative charge.
  3. Free radical : carbon atom have six electrons and have at least one unpair electron.
  4. Carbene : Neutral bivalent carbon atom having six electrons.
  5. Nitrene : Triplet carbene is more stable than singlet.

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