試卷名稱:109年 - 台聯大學士班轉學考 普通化學A6#99771
年份:109年
科目:轉學考-普通化學
25. An ethyl group
that is attached to a substituent that does not contain a hydrogen atom appears as what in a NMR spectrum?
(A) a triplet and a quartet with relative intensities of 3 and 2, respectively
(B) a triplet and a quartet with relative intensities of 2 and 3, respectively
(C) a doublet and a triplet with relative intensities of 2 and 3, respectively
(D) a doublet and a triplet with relative intensities of 3 and 2, respectively
(E) none of these