問題詳情

12. Which of the following species is the least nucleophilic?j
(A) H20
(B)BF3
(C)(CH3)3N(d)CH3O- (e)CH- 

參考答案

答案:B
難度:適中0.666667
統計:A(0),B(6),C(1),D(1),E(0)

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