ôn tập chương este - lipit - 2023-2024
Quiz
•
Science
•
12th Grade
•
Practice Problem
•
Easy
le vinh
Used 1+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CH3COOC2H5 thuộc loại chất
amin.
. axit cacboxylic.
este.
chất béo.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây là este?
CH3COOH.
CH3CHO.
CH3COOCH3.
chất béo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào dưới đây không phải là este ?
CH3COOCH3
. HCOOCH3.
HCOOC6H5.
CH3COOH.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho dãy các chất sau đây: CH3COOH; C2H5OH; CH3COOCH3; CH2=CHCOOCH3; HCOOCH3; CH3CHO; CH3COOCH=CH2. Số este trong các chất trên là
3
4
5
7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este no, đơn chức, mạch hở có công thức chung là
CnH2nO2 (n ≥ 1).
CnH2n+2O2 (n ≥ 2).
CnH2n-2O2 (n ≥ 2).
CnH2nO2 (n ≥ 2).
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức chung của este tạo bởi ancol no, đơn chức mạch hở và axit cacboxylic không no, có một liên kết
đôi C=C, đơn chức mạch hở là
CnH2n+1O2.
CnH2n-2O2.
CnH2nO2.
CnH2n+2O2.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este nào sau đây được tạo thành từ axit cacboxylic và ancol tương ứng?
CH3COOC(CH3)=CH2.
CH3COOCH=CH2.
HCOOC2H5.
HCOOCH=CH2.
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