11.下列鹵烷分子進行雙分子親核性取代反應(SN2)時,何者之反應性最強?
(A) CH3Br
(B) CH3CH2Br
(C) (CH3)2CHBr
(D) (CH3)3CBr

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統計: A(4), B(0), C(0), D(1), E(0) #2229955