Mesomeric effect involves delocalization of `:`

Mesomeric effect involves delocalisation of

Mesomeric effect involves the delocalization of

Mesomeric effect involves delocalisation of pi-electrons of all the double bonds present in a conjugated system.

Mesomeric effect invloves the :

Mesomeric effect & series

Hyperconjugation involves delocalization of

Hyperconjugation involves delocalization of