
Este-lipit
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Nguyễn Thùy Dương
Used 4+ times
FREE Resource
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây là este?
CH3COOH.
CH3CHO.
CH3COOCH3.
CH3COCH3.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este no, đơn chức, mạch hở có công thức phân tử là
CnH2n+2O , n ≥2.
CnH2nO2 , n ≥ 2.
CnH2nO2 , n ≥ 1 .
CnH2nO , n ≥ 2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên của este có CTCT CH3COOCH3 là :
etyl axetat
metyl axetat
metyl fomiat
vinyl fomiat.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính chất vật lí nào sau đây không phải của este?
dễ bay hơi.
có mùi thơm.
tan tốt trong nước.
nhẹ hơn nước.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este nào sau đây có mùi chuối chín?
Etyl fomat
Benzyl axetat
Isoamyl axetat
Etyl butirat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho CH3COOC2H5 vào dung dịch NaOH (đun nóng), sinh ra các sản phẩm là
C2H5COONa và CH3OH.
CH3COOH và C2H5ONa.
C2H5OH và CH3COOH.
CH3COONa và C2H5OH.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este nào có khả năng tham gia phản ứng tráng gương?
HCOOCH3
CH3COOCH3
C2H5COOCH3
CH3COOC2H5
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