試題詳解

16. Which sequence ranks the following carbonyl compounds in order of increasing rate of nucleophilic addition? 
(A) 2 < 3 < 1
(B) 3 < 2 < 1
(C) 2 < 1 < 3
(D) 1 < 3 < 2
(E) 1 < 2 < 3