阿摩線上測驗
24. Which of the following aromatic compounds wil have the most significant number of signals in a 13C NMR?
(A)1,4-Dimethylbenzene (p-methyl toluene)
(B)1,3,5-Trimethylbenzene (mesitylene)
(C) 1,2,4,5-Tetramethylbenzene
(D)Methyl benzene (toluene)
(E)1, 2-DimethyI benzene (o-methyl toluene)
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統計： A(0), B(0), C(1), D(4), E(1) #3303821
統計： A(0), B(0), C(1), D(4), E(1) #3303821
