由图可知:B为乙醇,C为乙醛,D为乙酸,
(1)乙烯的电子式为
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/72f082025aafa40f61203f6ca864034f79f01998?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
,乙烯的结构式
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3bf33a87e950352a5ebad4b95043fbf2b3118bac?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
,故答案为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3bf33a87e950352a5ebad4b95043fbf2b3118bac?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
(2)B为乙醇,官能团为羟基;D为乙酸,官能团为羧基,化学式为:-CHO,故答案为:羟基;羧基;
(3)①乙烯和水之间发生加成反应可以生成乙醇,即CH
2=CH
2+H
2O
CH
3CH
2OH,故答案为:CH
2=CH
2+H
2O
CH
3CH
2OH,
②乙醇可被催化氧化为乙醛,即2CH
3CH
2OH+O
22CH
3CHO+2H
2O,故答案为:2CH
3CH
2OH+O
22CH
3CHO+2H
2O;
③乙烯发生加聚反应得到聚乙烯,即
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b17eca8065380cd733c5535ca244ad34588281ac?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
,故答案为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b17eca8065380cd733c5535ca244ad34588281ac?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
.