Question

Mark the true statement concerning mesomeric effect?
a) It occurs in system having conjugate double bonds in compounds
b) It involves electrons of $\pi$ bonds
c) The electron pair is transferred completely
d) It involeves lone pair of elctrons

• A. True
• B. False

Answer 1

The correct option is A True

All the statement concerning mesomeric effect are true, other name is Resonance effect. It is of two types $+M$ or $+R$, $-M$ or $-R$