問題詳情

35. Which of the following cycloalkenes would be expected to be stable?  
(A) 1 and 2
(B) 2 and 3
(C) 2
(D) 1 and 3
(E) none are stable

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(1),D(1),E(0)

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