113-1化學有機EXP4 黃酮之加成反應

113-1化學有機EXP4 黃酮之加成反應

University

6 Qs

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 113-1化學有機EXP4 黃酮之加成反應

113-1化學有機EXP4 黃酮之加成反應

Assessment

Quiz

Chemistry

University

Practice Problem

Medium

Created by

Hsuan-Hung Liao

Used 2+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

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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