111-1海資實驗exp4 小考
Authored by Hsuan-Hung Liao
Chemistry
2nd Grade
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下何種條件，用於分辨Hard nucleophile 與Soft nucleophile?
溫度高低
溶劑pH值
電子雲密度
反應瓶大小
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何者為Hard nucleophile?
CN-
OH-
H+
BH3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2-乙醯基吡啶與黃酮會進行何種反應?
1,2-addition
1,3-addition
1,4-addition
deprotonation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grignard 試劑(RMgX, Hard base)會與黃酮進行何種反應?
Substitution
1,2-addition
1,3-addition
1,4-addition
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不是本實驗的步驟四中，加入1M HCl 的用意?
將未反應的Pyridine衍生物質子化
移除反應產生之鹽類
中和未反應完的NaOH
作為質子源，以進行後續反應
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