12.Which of the following compounds has a double bond that is conjugated with the p system of the benzene ring?
(A)p-Benzyltoluene
(B)2-Phenyl-1-decene
(C)3-Phenylcyclohexene
(D)3-Phenyl-1,4-pentadiene
(E)None of these

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統計: A(0), B(2), C(0), D(1), E(0) #2348043

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