問題詳情

34.tWhich of the following structures represent aromatic compounds?


(A)tOnly I, II and III
(B)tOnly I, III and IV
(C)tOnly I, II, and IV
(D)tOnly II, III and IV
(E)tI, II, III and IV

參考答案

答案：D

統計：A:0,B:0,C:0,D:6,E:1

難度：計算中