問題詳情
8. Among the butane conformers, which occur at energy minima on a graph of potential energy versus dihedral angle?
(A) gauche only
(B) eclipsed and totally eclipsed
(C) gauche and anti
(D) eclipsed only
(E) anti only
參考答案
答案：C
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(1)