Give three points of differences between inductive effect and resonance effect.

Draw the resonance structures of the following compounds;

Identify the most stable species in the following set of ions giving reasons:

Which of the following compounds will not exist as resonance hybrid. Give reason for your answer:

(i) CH₃OH

(ii) R—CONH₂

(iii) CH₃CH = CHCH₂NH₂

Why does SO₃ act as an electrophile?