
đề cương
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Others
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Practice Problem
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Easy
Linhh Nguyễn
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đồng phân este ứng vs ct C3H6O2 là
5
4
2
3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đồng phân este ứng với ct phân tử C4H8O2 là
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất x có công thức cấu tạo ch3ch2cooch3 . Tên gọi của x là
Etyl axetat
Metyl propionat
Metyl axetat
Propyl axetat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este etyl format có công thức
Ch3cooch3
HCOOCH=CH2
HCOOC2H5
HCOOCH3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đun nóng este CH3COOc2H5 với một lượng vừa đủu dubg dịch NAOH sp thu đc
Ch3coona và ch3oh
Hcoona và c2h5oh
Ch3coona và c2h5oh
C2h5coona và ch3oh
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho sơ đồ chuyển hoá tinh bột - X - Y- Z - metyl axetat các chất Y Z trg sơ đồ lần lượt là
C2h50h ch3cooh
Ch3cooh c2h5oh
C2h4 ch3cooh
Ch3cooh ch3oh
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho glixerol phản ứng với hỗn hợp axit béo gồm c17h35cooh và c15h31cooh số loại trieste đc tạo ra tối đa là
4
3
6
5
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