試題詳解

29. A chiral compound (C₅H₈) upon catalytic hydrogenation yields an achiral compound (C₅H₁₀). What is the best name for the former?
(A) 1-methylcyclobutene
(B) 3-methylcyclobutene
(C) 1,2-dimethylcyclopropene
(D) cyclopentene
(E) none of them