Carboxylic acid p1
11th Grade
•10 Qs
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Carboxylic acid p1
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Le Tan
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Đâu là carboxylic acid?
Sulfuric acid
Nitric acid
Acetic acid
Hydrochloric acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các chất có nhiệt độ sôi tăng dần từ trái qua phải là:
C2H6, C2H5OH, CH3CHO, CH3COOH.
CH3CHO, C2H6, C2H5OH, CH3COOH.
C2H6, CH3CHO, CH3COOH, C2H5OH.
C2H6, CH3CHO, C2H5OH, CH3COOH.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nhóm chức đặc trưng của carboxylic acid là gì?
carboxyl
carbonyl
hydroxyl
carbonic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đâu là thứ tự đúng về nhiệt độ sôi của carboxylic acid, từ thấp nhất đến cao nhất?
methanoic acid, ethanoic acid, butanoic acid, propanoic acid
methanoic acid, propanic acid, butanoic acid, ethanoic acid
ethanoic acid, methanoic acid, propanoic acid, butanoic acid
methanoic acid, ethanoic acid, propanoic acid, butanoic acid
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lý do chính khiến carboxylic acid có nhiệt độ sôi cao nhất so với các hợp chất khác có khối lượng tương đương là gì?
nó có nhóm chức carboxyl
nó có tính acid mạnh
nó hình thành được liên kết hydrogen
nó tồn tại dưới dạng dimer
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yếu tố nào có thể làm giảm độ hòa tan của axit cacboxylic trong nước?
Sự gia tăng chiều dài của mạch hydrocarbon.
Sự tăng số nhóm chức carboxyl.
Sự gia chiều dài của mạch hydrocarbon.
Số liên kết hydrogen.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các hợp chất sau, hợp chất nào tan nhiều nhất trong nước?
propane-1,2-diol
Propan-2-ol
Ethanoic acid
ethanedioc acid
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