61. What sequence of reagents is needed to convert t-butylbenzene into 1-bromo-2-(t-butyl)benzene? I. Dilute H₂SO₄, heat II. NaNO₂, HCl III. Br₂, FeBr₃, heat IV. Fuming H₂SO₄, heat V. HBr, CuBr, heat
(A) IV → II → V
(B) I → III → II
(C) II → III → V
(D) III → V → I
(E) IV → III → I

其他試題