GKFix MCQ Question

Which of the following best describes the resonance effect according to the given text?

• A. The polarity produced in the molecule by the interaction of two π-bonds or between a π-bond and lone pair of electrons present on an adjacent atom
• B. The temporary shift of electrons due to external electric field
• C. The complete transfer of protons in acidic environments
• D. The breaking of covalent bonds during homolysis