試題詳解

52. Which reagent(s) can be used to convert bromobenzene to benzoic acid?
(A) 1. NaCN; 2. NaOH, H₂O
(B) KMnO₄
(C) 1. Mg; 2. CO₂, then H₃O⁺
(D) CrO₃, HCl
(E) 1. CH₃Br; 2. CrO₃, H₂SO₄.