http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/f2ae0a6b086840de9b416590ffebf5bc.png
N-甲基-N-乙基苯胺
举一反三
- 某化合物的红外光谱在1700cm–1处有强吸收可能有的官能团为( ) A: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/0764b13699dc4c17a1bc32c416c80c79.png"> B: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/5f83da41956140e2a22d5b7ecaeaffa4.png"> C: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/a06e111495c04b2aa8030d72e8c63c9c.png"> D: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/5179d4f1dec64a9181e72b2f19c98115.png">
- 化合物是对映异构体的为( )http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/6a5588e355f1405298b1f175cad54f95.png
- 有几中不同环境的氢( )http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/154115cc923a4e95a889ac29ed321318.png
- 有几中不同环境的氢( )http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/dc37b78bc8ed4b908a67b326b7368447.png
- 下面是轴测图的是( )。 A: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/748c4269a50a4aa2bfab8b91fd4f0a48.png" /> B: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/fd1616f4949a4f5dbe2d263f38f5bbf6.png" /> C: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/d6dae74b734542a99835980a703c3222.png" /> D: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/9c9af01bbf134f52be1439f428bb093a.png" />
内容
- 0
单烯烃经高锰酸钾氧化所得的产物 , 分析其结构为( )http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/43ea3e608d5c4b8bb9105a71f84a9b57.png
- 1
下图作品主要运用了西方油画笔法中的那一种?http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/670d2a1e28c64f22a83fab67f0f02ba7.png
- 2
http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201703/a3957c51db1e470dadc8f3cd0cb1d1b1.png
- 3
http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201703/ccee0772c2564b8d8213ff6858884a9b.png
- 4
http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201703/1c9144fbe4c54855adf3766185841e1e.png