8 在以TMS 為對照品之核磁共振圖譜中,芳香基團上氫核之化學位移約為:
(A) 1-5 ppm
(B) 10.5-12 ppm
(C) 3.5-4 ppm
(D) 6-8.5 ppm
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統計: A(91), B(89), C(64), D(875), E(0) #446765
統計: A(91), B(89), C(64), D(875), E(0) #446765
詳解 (共 1 筆)
#7379893
0-2ppm CH3
2-3ppm 炔上H、苯環上CH3、C=O上CH3
3-5ppm O/F/Cl/Br上H
5-6ppm 烯上H
6-8ppm 苯環上H
9ppm C=OH
10ppm COOH
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