20231123生科系有機實驗7

20231123生科系有機實驗7

University

6 Qs

quiz-placeholder

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20231123生科系有機實驗7

20231123生科系有機實驗7

Assessment

Quiz

Chemistry

University

Practice Problem

Hard

Created by

Hsuan-Hung Liao

Used 1+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

下列反應中,何者反應速率最快?

R=NO2

R=OMe

R=NEt2

R=tBu

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

2.下列反應中,何者反應速率最快?

R=NO2

R=COOMe

R=H

R=tBu

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

本次實驗中,為何Endo產物的產率較高

推拉電子基影響

對稱性較好

軌域重疊性較好

過渡態活化能較高

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

此反應為何需要加熱迴流?

避免溫度過低

增加溶解度

除去水氣

增加反應速率

學習如何使用迴流裝置

5.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

關於迴流裝置設置列何者敘述正確(多選)

冷凝水由下方進入,上方排出

頂端無須封口避免館內壓力過大

加熱溫度越高反應的越好,所以盡量開高溫一點

加熱前記得加入攪拌子

冷凝水由上方進入,下方排出

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

下列何者為此反應名稱

Diels-Alder reaction

Deals-Alders reaction

Diels-Alders reaction

Dieals-Aldal reaction

Deals-Aldur reaction