
este
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
Câu 1: Công thức chung của este no, đơn chức, mạch hở là
A. CnH2nO2.
B. CnH2n-2O2.
C. CnH2n-4O2.
D. CnH2n+2O2.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Chất nào sau đây không phải là este?
A. HCOOCH3.
B. CH3COOH.
C. CH3COOCH3.
D. HCOOC6H5.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Hợp chất CH3COOCH3 có tên gọi là
A. metyl axetat.
B. metyl fomat.
C. etyl axetat.
D. etyl fomat.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Hợp chất C2H5COOCH3 có tên gọi là
A. propyl axetat.
B. etyl fomat.
C. etyl axetat.
D. metyl propionat.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Este metyl acrylat có công thức là
A. CH2=CHCOOCH3.
B. CH3COOCH3.
C. HCOOC2H5.
D. CH2=C(CH3)COOCH3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Este phenyl axetat có công thức là
A. CH3COOCH2C6H5.
B. CH3COOC6H5.
C. CH3COOCH=CH2.
D. C6H5COOCH3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7 : Etyl propionat là este có mùi thơm của dứa.
Công thức của etyl propionat là
A. HCOOC2H5.
B. C2H5COOC2H5.
C. C2H5COOCH3.
D. CH3COOCH3.
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