Question

Which of the following is not true regarding resonance?

• A. Resonance effect is temporary effect
• B. Resonance occurs due to delocalisation of $\pi$-electrons
• C. Resonating structures have same number of paired and unpaired electrons.
• D. Resonating structures have identical positions of nuclei.

Answer 1

The correct option is A Resonance effect is temporary effect

Resonance effect is an example of permanent effect. So option(a) is the correct answer. All other options except (a) are true regarding resonance.