Question

Mesomeric effect involves :

• A. delocalisation of $\pi$-electrons
• B. delocalisation of $\sigma$-electrons
• C. partial displacement of electrons
• D. delocalisation of $\pi$ and $\sigma$ electrons

Answer 1

The correct option is A delocalisation of $\pi$-electrons

Mesomeric effect involves delocalisation of $\pi$ electrons.