試題詳解

21. Rank the aromaticities of the following compounds from most stable to least stable. (i) thiophene (ii) benzene (iii) pyrrole (iv) furan
(A) ii＞i＞iii ＞iv
(B) ii＞iv＞iii＞i
(C) ii＞iv＞i＞iii
(D) ii＞iii＞iv＞i
(E) iv＞ii＞i＞iii