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54. The 1 H NMR spectrum of a compound with formula C7 H14O shows two signals. Which one of the followings is a possible structure for this compound?
(A) 2-heptanone
(B) 2-methyl-3-heptanone
(C) 3-methyl-2-heptanone
(D) 2,2-dimethyl-3-pentanone
(E) 2,4-dimethyl-3-pentanone

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Chiang Dabby 大四下 (2021/02/22)
2種訊號⇒紅色.....看完整詳...


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54. The 1 H NMR spectrum of a compound ..-阿摩線上測驗