题目内容

下列四种化合物经过催化加氢反应后,得不到2-甲基戊烷的是               (   )  

A.  CH3CH=C—CH2—CH3               B.CH3C=CHCH2CH3

           │                             │

CH3                            CH3

C.  CH2=CCH2CH2CH3                    D.CH3CH=CHCHCH3

         │                                       │

          CH3                                      CH3

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