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what is hyperconjugation?

Asked by punit jain 21st March 2014, 6:08 PM
Answered by Expert
Answer:
  • Hyperconjugation can be defined as the stabilising interaction that results from the interaction of the electrons in a σ-bond (usually C-H or C-C) with an adjacent empty or partially filled p-orbital or a π-orbital to give an extended molecular orbital that increases the stability of the system.
  • It is a permanent effect.
  • It involves the delocalisation of σ− electrons to C − H bond of an alkyl group directly attached to an unsaturated system or to an atom with an unshared p-orbital.
  • The order of stability of cations depend upon the hyperconjugation as greater the number of alkyl groups attached to a positively charged carbon atom, greater is the hyperconjugation and stabilization of the cation.
Answered by Expert 24th March 2014, 9:58 AM
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