問題詳情

30. What splitting pattern is observed in the proton NMR spectrum for the indicated hydrogens?

 
(A) Singlet
(B) Doublet
(C) Triplet
(D) Singlet of singlet
(E) Multiplet

參考答案

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