Question

In mesomeric effect, the electrons are transferred from __________

(a) A multiple bonds to an atom

(b) A multiple bonds to a single covalent bond

(c) An atom with a lone pair to the adjacent single covalent bond

(d) All of the mentioned

The question was asked in an international level competition.

Enquiry is from Mesomeric Effect in division Reactivity of Molecules Reaction Mechanism of Engineering Chemistry I

Answer 1

Correct option is (d) All of the mentioned

Explanation: In the mesomeric effect, the electrons are transferred from multiple bonds to an atom, a multiple bond to a single covalent bond and an atom with the lone pair to the adjacent single covalent bond.