問題詳情

52. Which of the following compounds has the most signals in the noise-decoupled 13C NMR spectrum?
(A) o-dibromobenzene
(B) m-dibromobenzene
(C) p-dibromobenzene
(D) 1,3,5-tribromobenzene
(E) 1,2,3,4-tetrabromobenzene

參考答案

答案:B
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(1)

內容推薦

內容推薦