57. Which of the following compounds will display a singlet, a triplet and a quartet in the 1H NMR spectrum?
(A) 1-chloro-2,2-dimethylbutane
(B) 3-chloro-3-methylpentane
(C) 3-chloropentane
(D) 2-chloro-4-methylpentane
(E) 3-chloro-2-methylpentane

參考答案

答案:B
難度:非常簡單1
統計:A(0),B(4),C(0),D(0),E(0)

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