KTCK - HH
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Easy
Phấn Phạm
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61 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào dưới đây thuộc loại ester?
HOCH2CH2CHO.
CH3CH2CH2COOH.
HOCH2COCH3.
CH3CH2COOCH3.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ester no, đơn chức, mạch hở có công thức tổng quát là
CnH2nO (n > 2).
CnH2n – 2O2 (n > 2).
CnH2n + 2O2 (n > 2).
CnH2nO2 (n > 2).
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ester nào sau đây là no, đơn chức, mạch hở?
HCOOCH=CH2.
CH3COOCH3.
CH3COOC6H5.
(HCOO)2C2H4.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số hợp chất hữu cơ đơn chức, mạch hở có có công thức phân tử C2H4O2 là
3
2
1
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Có bao nhiêu ester có công thức phân tử C3H6O2?
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của HCOOC2H5 là
methyl formate.
ethyl formate.
methyl acetate.
ethyl acetate.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của este có CTCT thu gọn: CH3COOCH(CH3)2 là:
Propyl acetate
Isopropyl acetate
Sec-propyl acetate
Propyl formate
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