【單選題】每題 2 分,共計 40 分,答錯 1 題倒扣 0.5 分,倒扣至本大題零分為止,未作答,不給分亦不扣分。
61. Predict the number of carbon resonance lines you would expect in the 13C-NMR spectra of ethyl acrylate.
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6
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統計: A(0), B(1), C(2), D(3), E(0) #1037047
統計: A(0), B(1), C(2), D(3), E(0) #1037047