ESte-dđ,đp,dp
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
huyen nguyen
Used 182+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Etyl fomat có công thức:
HCOOC2H5
CH3COOC2H5.
CH3COOCH3.
HCOOCH3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không phải là este ?
HCOOCH3.
C2H5OC2H5
CH3COOC2H5.
C3H5(COOCH3)3.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho các chất có CTCT sau đây:
(1)CH3CH2COOCH3 ; (2)CH3OOCCH3; (3)HCOOC2H5 ; (4)CH3COOH; (5)CH3CH2COOCH3 ; (6) HOOCCH2CH2OH
(7)CH3OOC-COOC2H5. Những chất thuộc loại este là:
(1), (2), (3), (4), (5), (6).
(1), (2), (3), (5), (7).
(1), (2), (4), (6), (7).
(1), (2), (3), (6), (7).
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất X có công thức cấu tạo CH2 = CH – COOCH3. Tên gọi của X là
metyl acrylat.
metyl axetat.
Metyl propionat
Vinyl axetat
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Số đồng phân este ứng với công thức phân tử C3H6O2 là:
2
1
3
4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất X có công thức phân tử C4H8O2, là este của axit propionic. Công thức cấu tạo thu gọn của X là
C2H5COOCH3.
CH3COOC2H5
C2H5COOC2H3.
CH3COOCH3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C4H8O2 có mấy đồng phân este
1
2
3
4
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