試題詳解

23. When butane undergoes free radical bromination, the product mixture contains 98% 2-bromobutane and 2% 1-bromobutane. How many times more susceptible to hydrogen atom abstraction is a secondary hydrogen in butane than is a primary hydrogen?
(A) 100
(B) 73.5
(C) 50
(D) 8.7
(E) 1.5