【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
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【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