阿摩線上測驗
13.Consider the following statements concerning the effect of a trifluromethyl group-CF3, on an electrophilic
aromatic substitution. Which of these statements is (or are) correct? 1.The CF3 group will activate the ring. 2.The CF3 group will deactivate the ring. 3.The CF3 group will be a meta director. 4.The CF3 group will be an ortho, para director.
(A)1,3
(B)1,4
(C)2,3
(D)2,4
(E)3,4
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統計： A(0), B(0), C(2), D(1), E(0) #2348044
統計： A(0), B(0), C(2), D(1), E(0) #2348044
