The kind of delocalisation involving sigma bond orbitals is called………..

Options

A. Hyperconjugation
B. mesomeric effect
C. Electromeric effect
D. inductive effect

Answer

A

Explanation

Whereas resonance effect involves delocaliation of `pi` electrons of two or more conjugated multiple bonds or `pi` electrons of a multiple bond and non-bonding (i.e., `n-` electrons) of a heteroatom, hyperconjuction involves delocalization of `sigma` electrons through overlapping of `p` orbitals of a multiple bonds with `sigma` orbital of the adjacent single bond, i.e., `sigma, pi` conjugation.