Hoá part 3
Authored by Nhật Bùi Khang
Chemistry
11th Grade
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1. Aldehyde, ketone thuộc loại hợp chất
A. acid carboxylic.
B. carbonyl.
C. hydroxyl.
D. hydrocarbon.
A. acid carboxylic.
B. carbonyl.
C. hydroxyl.
D. hydrocarbon.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2. Aldehyde no đơn chức mạch hở có công thức phân tử chung là
A. CnH2n+2O (n ≥ 1).
B. CnH2nO (n ≥ 1).
C. CnH2nO2 (n ≥ 1).
D. CnH2n+2O (n ≥ 3).
A. CnH2n+2O (n ≥ 1).
B. CnH2nO (n ≥ 1).
C. CnH2nO2 (n ≥ 1).
D. CnH2n+2O (n ≥ 3).
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3. Công thức cấu tạo thu gọn của formaldehyde là
A. OHC –CHO.
B. HCHO.
C. CH3CHO.
D. CH2 = CHCHO.
A. OHC –CHO.
B. HCHO.
C. CH3CHO.
D. CH2 = CHCHO.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4. Tên gọi nào sau đây của HCHO là sai?
A. Methanal.
B. Ethanal.
C. Formaldehyde.
D. Aldehyde formic.
A. Methanal.
B. Ethanal.
C. Formaldehyde.
D. Aldehyde formic.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5. Chất nào dưới đây không phải là aldehyde?
A. H-CH=O.
B. (CH3)2CO.
C. O=HC-CH=O.
D. CH3-CH=O.
A. H-CH=O.
B. (CH3)2CO.
C. O=HC-CH=O.
D. CH3-CH=O.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6. Công thức cấu tạo thu gọn của acetone là
A. OHC –CHO.
B. CH3COCH3.
C. CH3CHO.
D. CH2 = CHCHO.
A. OHC –CHO.
B. CH3COCH3.
B. CH3COCH3.
D. CH2 = CHCHO.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7. Tên thay thế của CH3-CH(CH3)-CH2-CHO là
A. 2-methylbutan-4-al.
B. 3-methylbutanal.
C. isopentanal.
D. pentanal.
A. 2-methylbutan-4-al.
B. 3-methylbutanal.
B. 3-methylbutanal.
D. pentanal.
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