
Kiểm tra về axit cacboxylic
Authored by Trân Nguyễn
Chemistry
11th Grade
Used 1+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức chung của carboxylic acid no, đơn chức, mạch hở là:
CnH2n+1O; n ≥ 1.
CnH2nO2; n ≥ 1
CnH2n-1O2; n ≥2.
CnH2n+2O2; n ≥ 2.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giấm ăn có công thức là
HCOOH.
C6H5COOH.
CH3CH=O.
CH3COOH.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo thu gọn của HOOC-COOH gọi tên là:
Benzoic acid.
Acetic acid.
Oxalic acid.
Formic acid.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các chất dưới đây, chất có nhiệt độ sôi cao nhất là
CH3CH2CH2OH.
C4H10.
CH3CH2CHO.
CH3COOH.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi số nguyên tử carbon trong gốc hydrocarbon tăng thì độ tan của các carboxylic acid thường
không thay đổi.
vừa tăng, vừa giảm.
tăng dần.
giảm dần.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi số nguyên tử carbon trong gốc hydrocarbon tăng thì nhiệt độ sôi của các carboxylic acid thường
giảm dần.
tăng dần.
không thay đổi
vừa tăng, vừa giảm.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất carboxylic acid là hợp chất có nhóm chức nào liên kết với nguyên tử carbon hoặc nguyên tử hydrogen?
-OH.
-O-.
-CHO.
-COOH.
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