L1 /
10
CH1012
Hyperconjugation - how it works
HYPERCONJUGATION
vacant p-orbital
weak overlap
sp2 carbon
• Charge is delocalised
onto the H’s of the
alkyl groups (ie. they share charge) which is
a stabilising influence.
alkyl groups (ie. they share charge) which is
a stabilising influence.
• More alkyl groups
bearing H’s attached to
the carbocation centre give greater stability.
the carbocation centre give greater stability.
