
Câu hỏi về Ester và Hóa học

Quiz
•
Chemistry
•
12th Grade
•
Hard
Ly Nguyen
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất không phải là ester là
HCOOC2H5
C2H5CHO
CH3COOCH=CH2
CH3-OOC-CH2-CH2-COO-C2H5
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho các chất có công thức sau: HCHO, C2H2, CH3COOH, CH3COOCH=CH2, HCOOCH3, HCOOH. Trong các chất trên, có bao nhiêu chất thuộc loại ester?
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ester nào sau đây là đồng phân với methacrylic acid?
Methyl acrylate
Ethyl acrylate
Vinyl formate
Ethyl acetate
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Benzyl acetate là ester có mùi thơm của hoa nhài. Công thức của benzyl acetate là
C2H5COOC6H5
CH3COOC6H5
C6H5COOCH3
CH3COOCH2C6H5
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Số nguyên tử hydrogen trong phân tử methyl formate là
6
8
4
2
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