
axit cacboxylic
Authored by quynh ha
Chemistry
KG
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Công thức phân tử chung của axit cacboxylic no, đơn chức, mạch hở là:
A. CnH2nO2
B. CxH2x–2O2
C. CnH2n–2O2
D. CnH2n+2O2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây là axit cacboxylic?
A. HO-COOH.
B. H2N-COOH.
C. CH3COOH.
D. HCOOCH3.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4. Công thức chung của dãy đồng đẳng axit fomic là
A. CnH2n+1COOH (n ≥ 0).
B. CnH2n-1COOH (n ≥ 3).
C. CnH2n+1COOH (n ≥ 1).
D. HCOOH.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5. Hợp chất nào sau đây là axit cacboxylic no?
A. C6H5COOH.
B. CH2=CH-COOH.
C. CH3COOH.
D. HOCH2COOH.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của hợp chất CH3COOH là
A. axit fomic.
B. ancol etylic.
C. anđehit axetic.
D. axit axetic.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit cacboxylic C3H6O2 có số đồng phân cấu tạo là
A. 1.
B. 2.
C. 3.
D. 4.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit cacboxylic C4H8O2 có số đồng phân cấu tạo là
A. 1.
B. 2.
C. 3.
D. 4.
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