阿摩線上測驗
20. Predict the compound from the spectral data given. C9H10O2: 13C NMR, δ 18.06 (quartet), 45.40 (doublet), 127.32 (doublet),
127.55 (doublet), 128.61 (doublet), 139.70 (singlet), 180.98 (singlet); IR, broad 3500-2800, 1708 cm-1
(A) 3-Phenylproponic acid
(B) 2-Phenylproponic acid
(C) 2-(4-Methylphenyl)acetic acid
(D) 2-(3-Methylphenyl)acetic acid
(E) 2-(2-Methylphenyl)acetic acid
答案：登入後查看
統計： A(6), B(17), C(7), D(4), E(3) #937549
統計： A(6), B(17), C(7), D(4), E(3) #937549
詳解 (共 3 筆)
hangyodon
#6341203
注意C選項是一個q 一個t
2
0
菩提
#1154654
標準答案修正為 B
0
2
