三乙胺(Et3N)在本反應中扮演什麼角色?

20231109生科系有機實驗6

Quiz
•
Chemistry
•
University
•
Hard
Hsuan-Hung Liao
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
1.親核試劑
2.鹼
3.親電試劑
4.去保護基
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
下列何者不是本反應需在冰浴下加入草醯氯的原因?
1.此反應為放熱反應
2.加快反應速率
3.高溫草醯氯會被水解
4.低溫可以減少副產物的產生
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
實驗中的一滴三乙胺為多少的量
0.005mL
0.001mL
1mL
0.1mL
一滴就是一滴
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
清洗結晶用的丙酮處理何者正確
加多一點可以把雜質洗掉
高溫下加入可以較好進行除去雜質
在清洗前可先將丙酮裝入燒杯中冰浴降溫
清洗完結晶的丙酮馬上就能倒掉了
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
觀察螢光反應下列何者有誤
最好拿手機紀錄
可以關燈看比較清楚
拿出來近一點看比較清楚
找助教一起看,因為助教也想看
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
2.草醯氯在本反應中扮演什麼角色?
1.親核試劑
2.親電試劑
3.酸
4.保護基
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