Aromatic bromination catalyzed by the Lewis acid thalium acetate gives ___________
A. Para isomer
B. Ortho isomer
C. Meta isomer
D. Para and ortho isomer
Answer:A
Aromatic bromination catalyzed by the Lewis acid thalium acetate gives ___________
A. Para isomer B. Ortho isomer C. Meta isomer D. Para and ortho isomer
Explanation: Aromatic bromination catalyzed by the Lewis acid thalium acetate gives only para isomer. It is not Ortho and meta directing.