Which one of the following electronic effect is Temporary ?
A
Hyperconjugation
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Electromeric
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Inductive
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Resonance
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B Electromeric Inductive effect: Permanent polarisation of bond due to shifting of shared pair of sigma electrons towards the more electronegative atom/substituent. so it is a Permanent electronic effect.
Resonance Effect : Delocalisation of π electrons; it's also a permanent effect.
Hyperconjugation: Hyperconjugation effect is a permanent effect in which delocalization of σ electrons of C-H bond of an alkyl group directly attached to an atom of the unsaturated system or to an atom with an empty or partially filled p-orbital takes place.
Electromeric Effect : it is defined as complete transfer of electrons of a multiple bond toward one of the bonded atom and is a purely temporary effect. It takes place in presence of reactive species only.