Dãy đồng đẳng của rượu etylic có công thức tổng quát là:
Ancol - phenol

Quiz
•
Architecture
•
9th - 12th Grade
•
Medium
tang van
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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
CnH2n+2OH(n>1).
CnH2n-1OH(n>1).
CnH2n+1OH(n>1).
CnH2n-2O(n>1).
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Công thức cấu tạo đúng của 2,2- Đimetyl butan-1-ol là:
CH3-CH2-C(CH3)2-CH2-OH
(CH3)3C-CH2-CH2-OH
CH3-CH(CH3)-CH(CH3)-CH2-OH
CH3-CH(CH3)-CH(CH3)-CH2-OH
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dùng Cu(OH)2 có thể nhận biết được chất nào:
ancol etylic.
Glixerol
Đimetyl ete .
metan
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Hợp chất HOCH(CH3)CH2CH(CH3)2 có tên thay thế là:
4-metylpentan-2-ol.
2-metylpentan-2-ol.
4,4-đimetylbutan-2-ol.
1,3-đimetylbutan-1-ol.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phản ứng nào sau đây chứng minh vòng ảnh hưởng lên nhóm trong phân tử phenol:
C6H5ONa + CO2 + H2O --> C6H5OH + NaHCO3
C6H5OH + NaOH --> C6H5ONa + H2O
C6H5OH + 3Br2 --> C6H2Br3OH + 3HBr
C6H5OH + Na --> C6H5ONa + 1/2H2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Khi oxi hóa ancol A bằng CuO, nhiệt độ, thu được xeton, vậy ancol A là:
(CH3)2CH – CH2-OH
CH3–CH2–CH2OH
CH3–CH(CH3)–CHOH–CH3
(CH3)3C-OH.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Số đồng phân rượu của C4H9OH là:
2
2
4
5
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