题目

1,4-环己二醇可通过下列路线合成(某些反应的反应物和反应条件未列出): (1)写出反应④、⑦的化学方程式:④______________________________________________________________;⑦______________________________________________________________。(2)②的反应类型是____________,上述七个反应中属于加成反应的有____________(填反应序号)。(3)反应⑤中可能产生一定量的副产物,其可能的结构简式为_________________。Policeman : Now, Jimmy, did you get a good view of the accident? Jimmy:Oh, yes. I was standing outside the bank building and I saw it quite clearly. Policeman : Do you know what time it was?Jimmy : Yes. 【1】 It was 2:45 exactly. Policeman : Good. 【2】 Jimmy : Well, quite slowly—about 10 miles an hour. It was coming up York Road. 【3】 But they were still red when he went over them. Policeman : I see. 【4】 Was it also driving slowly?Jimmy : It was coming along Union Street about 30 miles per hour. It was a blue Toyota. 【5】 Policeman : Did you see what colour the traffic light was?Jimmy: Yes, it changed to yellow just before he crossed it. A. What about the car?B. I checked my watch. C. Didn't you see the car?D. Now, how fast was the truck moving?E. Was the car going beyond the speed limit?F. I suppose the truck driver knew the lights were going to change. G, The driver stopped his car when he saw the truck crossing the street.
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