
CH12 este
Quiz
•
Chemistry
•
12th Grade
•
Easy
Coo Chan
Used 1+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 1: Este no, đơn chức, mạch hở có công thức phân tử tổng quát là
A. CnH2n+2O2 (n ≥ 2).
B. CnH2nO2 (n ≥ 1).
C. CnH2nO2 (n ≥ 2).
D. CnH2nO (n ≥ 2).
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 2: Chất nào sau đây không phải là este?
A. CH3COOC2H5.
B. C3H5(COOCH3)3.
C. HCOOCH3.
D. C2H5OC2H5.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 3: Chất nào sau đây là este?
A. HCOOH.
B. CH3CHO.
C. CH3OH.
D. C2H5OOCCH3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 4: Hợp chất nào sau đây là este ?
A. HOOCCH3
B. HCOOC6H5.
C. C2H5COOH.
D. (HOOC)2CH2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 6: Số đồng phân este ứng với công thức phân tử C3H6O2 là
A. 2.
B. 3.
C. 5.
D. 4.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 7: Số este có công thức phân tử C4H8O2 là
A. 6.
B. 3.
C. 4.
D. 2.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 9: Tên gọi của CH3COOC6H5 là
A. benzyl axetat.
B. phenyl axetat.
C. metyl axetat.
D. etyl axetat.
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