Bài test Carboxylic Acid
Quiz
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Education
•
University
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Practice Problem
•
Hard
Phương Thảo
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các phản ứng sau ở điều kiện thích hợp:
1. Lên men giấm alcohol ethylic
2. Oxi hóa không hoàn toàn andehyde acetic
3. Oxi hóa không hoàn toàn Butan
4. Cho methanol tác dụng với cacbon oxide
Trong những phản ứng trên, số phản ứng tạo ra acetic acid là?
2
1
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit acrylic (CH2=CH-COOH) không có khả năng phản ứng với dung dịch:
A. Na2CO3
B. Br2
C. NaCl
D. Ca(HCO3)2
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các hợp chất : CH3COOH, C2H5OH và C6H5OH xếp theo thứ tự tăng dần tính acid:
C2H5OH< CH3COOH< C6H5OH
C6H5OH< CH3COOH< C2H5OH
C2H5OH< C6H5OH< CH3COOH
CH3COOH<C6H5OH<C2H5OH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của acid sau?
1. Acid benzoic
2. Axit axetic
3. Axit fomic
4. Axit xiamic
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức chung của axit cacboxylic no, đơn chức, mạch hở là:
A. CnH2nO2.
B. CnH2n+2O2.
C. CnH2n+1O2.
D. CnH2n-1O2.
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
C4H6O2 có bao nhiêu đồng phân acid mạch hở?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để phân biệt các lọ mất nhãn riêng biệt đựng các dung dịch sau: axit axetic, axit fomic, etano, etanal. Lần lượt sử dụng các thuốc thử sau:
Na kim loại, dd AgNO3/NH3
Quỳ tìm, dd AgNO3/NH3
CaCO3/dd NaOH
Quỳ tím, CaCO3
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