Aromatic bromination catalyzed by the Lewis acid thalium acetate gives ___________
(a) Para isomer
(b) Ortho isomer
(c) Meta isomer
(d) Para and ortho isomer
I had been asked this question by my school teacher while I was bunking the class.
My question is taken from Electrophillic Substitution Reaction topic in section Reactivity of Molecules Reaction Mechanism of Engineering Chemistry I