下列何種條件,可用來判斷Hard nucleophile 或 Soft nucleophile

113-1化學有機EXP4 黃酮之加成反應

Quiz
•
Chemistry
•
University
•
Medium
Hsuan-Hung Liao
Used 2+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
溶劑PH值
電子雲密度
溫度高低
反應快慢
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
下列何者為Hard nucleophile
CN-
H-
OH-
BH3
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
電子雲密度較分散之親核性化合物,在此類反應中容易進行何種反應
1,2-addition
1,3-addition
1,4-addition
2,3-addition
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
2-乙醯吡啶會和黃酮進行何種反應?
1,2-addition
1,3-addition
1,4-addition
substitution
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Grignard 試劑(RMgX, Hard base)會與黃酮進行何種反應?
1,2-addition
1,3-addition
1,4-addition
substitution
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
下列何者不是本實驗步驟四中加入1 M HCl 的作用
作為質子來源,以利後續反應
中和未反應之氫氧化鈉
移除反應產生之鹽類
將未反應之pyridine衍生物質子化
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