hoa 11
Quiz
•
Chemistry
•
2nd - 3rd Grade
•
Practice Problem
•
Hard
nhi duong
Used 46+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Câu 1: Dãy nào sau đây chỉ gồm các chất thuộc dãy đồng đẳng của metan.
A. C2H2, C3H4, C4H6, C5H8
B. CH4, C2H2, C3H4, C4H10
C. CH4, C2H6, C4H10, C5H12
D. C2H6, C3H8, C5H10, C6H12
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Câu 13 Xác định sản phẩm chính của phản ứng sau:
CH3 – CH(CH3) – CH2 – CH3 + Cl2
A. (CH3)2CHCH(Cl)CH3
B. (CH3)2C(Cl)CH2CH3
C. (CH3)2CHCH2CH2Cl
D. CH2ClCH(CH3)CH2CH3
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Câu 3: Cho iso-pentan tác dụng với Cl2 theo tỉ lệ số mol 1:1, số sản phẩm monoclo tối đa thu được là
A. 5.
B. 4.
C. 3.
D. 2.
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Câu 4 Cho các chất sau: CH2=CH-CH2-CH2-CH=CH2, CH2=CH-CH=CH-CH2-CH3,
CH3-C(CH3)=CH-CH3, CH2=CH-CH2-CH=CH2. Số chất có đồng phân hình học là
A. 2.
B. 3.
C. 1.
D. 4.
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Câu 5: Dẫn các khí (1) etilen; (2) axetilen; (3) but-1-in; (4) butan; (5) but-2-in vào dd AgNO3/NH3. Mấy trường hợp tạo kết tủa?
A. 4
B. 2
C. 1
D. 3
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Câu 6: Có bao nhiêu ankin ứng với công thức phân tử C5H8 ?
A. 1.
B. 2.
C. 3.
D. 4
7.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Câu 7: Cho các chất: metan (CH4), etilen (C2H4), axetilen (C2H2), buta-1,3-dien (C4H6). Số chất làm mất màu dd KMnO4:
A. 1
B. 4
C. 3
D. 2
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