試題詳解

55. What is the major organic product that results when 1-heptyne is treated with 2 equivalents of HBr?
(A) 2,3-dibromo-1-heptene
(B) 2,3-dibromo-2-heptene
(C) 1,2-dibromoheptane
(D) 2,2-dibromoheptane
(E) 1,1-dibromoheptane