試題詳解

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