Question

Which is intermediate of above reaction?

• A.
• B.
• C.
• D.

Answer 1

Answer: (B)

Step 1: Formation of electrophile $(B{r}^{+})$
$Br-Br+FeB{r}_3{\left[FeB{r}_4\right]}^{-}+B{r}^{+}$
Step 2: Electrophilic attack and removal of proton to give bromo benzene