烯烃中碳碳双键是重要的官能团,在不同条件下能发生多种变化。 (1

烯烃中碳碳双键是重要的官能团,在不同条件下能发生多种变化。

(1)烯烃的复分解反应就是两种烯烃交换双键两端的基团,生成两种新烯烃的反应。请写出在催化剂作用下,两个丙烯分子间发生复分解反应的化学方程式_____________________。

(2)烯烃与KMnO4酸性溶液反应的氧化产物有如下的对应关系:

烯烃被氧化的部位

=CH2

RCH=

氧化产物

CO2

R—COOH

已知某烯烃的分子式为C5H10,它与KMnO4酸性溶液反应后得到的产物若为乙酸和丙酸,则此烯烃的结构简式为_______________;若为CO2和丁酮(),则此烯烃的结构简式是_______________。

答案

(1)2CH2=CHCH3CH2=CH2+CH3CH=CHCH3

(2)CH3—CH=CH—CH2—CH3

(3)CH2=C(CH3)—CH2—CH3

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