問題詳情

75. Which of the following substituents would have the lowest Cahn-Ingold-Prelog priority?
(A) -CH2OH
(B) -CH2COOH
(C) -CH2CH2Cl
(D) -CH2NH2
(E) -CH2CH2Br

參考答案

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