11.The number of possible dichloronitrobenzene isomers is (A)3 (B)4 (C)6 (D)8 (E)9

11.The number of possible dichloronitrobenzene isomers is
(A)3
(B)4
(C)6
(D)8
(E)9

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統計： A(0), B(0), C(3), D(0), E(0) #2348042

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B1 · 2021/09/23

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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

11.The number of possible dichloronitrobenzene isomers is
(A)3
(B)4
(C)6
(D)8
(E)9

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