試題詳解

26. Compound X has the molecular formula C₁₀H₁₂O. The IR spectrum of X has a strong band near 1710 cm^-1. Compound X forms a phenylhydrazone, but gives a negative Tollens’ test and a positive iodoform test. What is the structure of the compound X?
(A)
(B)
(C)
(D)
(E)