
hoaaa
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Hard
Mến Lý
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1. Cho các chất có cấu tạo sau:
(1) CH3-CH2-NH2; (2) CH3-NH-CH3; (3) CH3-CO-NH2; (4) NH2-CO-NH2;
(5) NH2-NH2-COOH; (6) C6H5-NH2; (7) C6H5NH3Cl;
(8) C6H5 - NH - CH3; (9) CH2=CHNH2.
Có bao nhiêu chất là amin?
4
5
3
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2. Anilin có công thức hóa học là
C²H⁵NH²
CH³NH²
(CH³)²NH
C⁶H⁵NH²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
âu 3. Amin nào sau đây là amin bậc một?
. Trimetyl amin.
đimetyl amin
Etyl metyl amin
Metyl amin
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4. Chất nào sau đây thuộc loại amin bậc một?
(CH3)3N
C2H5-NH2
CH3-NH-C2H5
CH3-NH-CH3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amin nào sau đây là amin bậc 2
Isopropylamin
Đimetylamin
Anilin
Metylamin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu6: Chất nào sau đây là amin bậc 2
CH3-NH-CH3
(CH3)3N
(CH3)2CH-NH2
H2N-CH2-NH2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7. Công thức cấu tạo thu gọn của etylamin là
CH3NHCH3
CH3CH2NH2
(CH3)3N
CH3NH2
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