Question

Identify the position where E.A.S. will take place.

• A. a
• B. b
• C. c
• D. All the position are identical

Answer 1

The correct option is A a

Electrophilic aromatic substitution will take place at position $a$. This is because it gives the most stable form of the molecule it has a region of highest electron density and it is least sterically hindered. Hence it is the most suitable place for the electrophile to adhered to.