下列反應中,何者反應速率最快?

111海資實驗exp8

Quiz
•
Chemistry
•
2nd Grade
•
Medium
Hsuan-Hung Liao
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
R = NO2
R = CH3
R = H
R = OMe
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列反應中,何者反應速率最快?
R = H
R = CF3
R = COOMe
R = OMe
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
本次實驗中,為何Endo產物的產率較高?
對稱性較好
過渡態的活化能較高
推拉電子基的影響
軌域的重疊性較好
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
此實驗中,反應加熱迴流的用意為何?
增加產率
去除水氣
增加反應速率
降低溶解度
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diels-Alder Reaction的特點為何?
環氧化反應
[4+2] 環化加成反應
醇醛縮合反應
親核性加成反應
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