
Ôn Tập Giữa Kì 2 Hóa 11
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English
2nd Grade

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alkane X has 14 hydrogen atoms in its molecule. How many carbon atoms are in molecule X?
4
5
6
7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The compound X is called: 4-ethyl-3,3-dimethylhexane. The structural formula of X is
CH3-CH2-C(CH3)2-CH(C2H5)-CH2-CH3
CH3-CH2-C(CH3)2-CH(C2H5)-CH3
CH3-C(CH3)2-CH2-CH(C2H5)-CH2-CH3
CH3-CH(CH3)2-CH2-CH2-CH3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tên gọi của chất nào sau đây đúng
(but-2-ene)
(3-methylbut-1-yne)
(2,2,4-trimethylpentane)
(1-ethyl-2-methylbenzene)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following substances: (1) 2-methylbutane; (2) 2-methylpentane; (3) 3-methylpentane; (4) 2,2-dimethylbutane and (5) benzene. How many of these substances can be products of reforming hexane?
5
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alkane (A) has the molecular formula C8H18. (A) reacts with chlorine when heated to produce only one monochloro derivative. What is the name of (A)?
octane
2-methylheptane
2,2-dimethylhexane
2,2,3,3-tetramethylbutane
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phát biểu nào sau đây về alkane là không đúng?
Phát biểu nào sau đây về alkane là không đúng?
A. Trong phân tử alkane chỉ có liên kết đơn.
B. Chỉ các alkane là chất khí ở điều kiện thường được dùng làm nhiên liệu.
C. Các alkane lỏng được dùng sản xuất xăng, dầu và làm dung môi.
D. Các alkane rắn được dùng làm nhựa đường, nguyên liệu cho quá trình cracking.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the alkenes: CH2=CH-CH3; (CH3)2C=C(CH3)2; CH3CH=CHCH3 and CH3CH=CHC2H5. How many alkenes have geometric isomers?
2
4
1
3
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