阿摩線上測驗
23. Which ofthe following is a vicinal dihalide?
(A) cis-1,2-dibromocyclopentane
(B) 3,3-dichloropentane
(C) trans-1,4-diiodocyclohexane
(D) isobutyl chloride
(E) 1,3-dibromoheptane
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統計： A(0), B(1), C(0), D(0), E(0) #3829722
統計： A(0), B(1), C(0), D(0), E(0) #3829722
