
Este 2
Quiz
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Easy
Thùyy Dươnn
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức chung của este không no (có một liên kết C=C), đơn chức, mạch hở là
CnH2nO2
CnH2n-2O2
CnH2n-4O2
CnH2n+2O2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là este?
CH3CHO
CH3COOH
CH3COOCH3
C3H7OH
Answer explanation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất CH2=C(CH3)COOCH3 có tên gọi là
metyl acrylat
metyl metacrylat
vinyl axetat
etyl fomat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhiệt độ sôi của các chất được sắp xếp theo thứ tự tăng dần đúng là
C2H5OH < C2H5Cl
<CH3COOCH3 <CH3COOH
C2H5Cl < CH3COOCH3
<C2H50H <CH3COOH
C2H5Cl < C2H5OH
<CH3COOCH3 <CH3COOH
CH3COOH < C2H5OH
< CH3COOCH3 <C2H5Cl
Answer explanation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các este sau: etyl axetat, propyl axetat, metyl propionat, metyl metacrylat. Có bao nhiêu este no, đơn chức, mạch hở ?
1
2
3
4
Answer explanation
Loại metyl metacrylat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các este sau: etyl axetat, phenyl axetat, metyl benzoat, metyl metacrylat. Có bao nhiêu este trong phân tử có vòng benzen?
2
4
3
1
Answer explanation
Gồm phenyl axetat và
metyl benzoat
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este nào sau đây tác dụng với dung dịch NaOH thu được hai muối?
Etyl benzoat
Phenyl axetat
Vinyl propyonat
Benzyl acrylat
Answer explanation
Hai muối là CH3COONa và C6H5ONa
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