問題詳情
3.For each compound below, which one will give 3 signals in its normal, broadband decoupled 】JC NMR spectra, (assume the resolution is good to identify all different signal) ’
(A) I, n, m
(B)II,m
(C)ni，IV,V
(D)m,V
(E)Noneoftheabove
(A) I, n, m
(B)II,m
(C)ni，IV,V
(D)m,V
(E)Noneoftheabove
參考答案
答案：B
難度：困難0.333333
統計：A(1),B(2),C(0),D(1),E(1)
難度：困難0.333333
統計：A(1),B(2),C(0),D(1),E(1)