Free Printable 111海資實驗exp8

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111海資實驗exp8

Total questions: 5

Worksheet time: 4mins

Name

Class

Date

1.

下列反應中，何者反應速率最快?

a)

R = NO₂

b)

R = CH₃

c)

R = H

d)

R = OMe

2.

下列反應中，何者反應速率最快?

a)

R = H

b)

R = CF₃

c)

R = COOMe

d)

R = OMe

3.

本次實驗中，為何Endo產物的產率較高?

a)

對稱性較好

b)

過渡態的活化能較高

c)

推拉電子基的影響

d)

軌域的重疊性較好

4.

此實驗中，反應加熱迴流的用意為何?

a)

增加產率

b)

去除水氣

c)

增加反應速率

d)

降低溶解度

5.

Diels-Alder Reaction的特點為何?

a)

環氧化反應

b)

[4+2] 環化加成反應

c)

醇醛縮合反應

d)

親核性加成反應

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