
hoa 11 cuoi ki 2
Authored by khôi vũ
Chemistry
11th Grade
Used 4+ times

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49 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng nào dưới đây chứng minh phenol có tính axit?
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức phân tử của các chất thuộc dãy đồng đẳng ankin là
CnH2n-2 (n≥2)
CnH2n (n≥2)
CnH2n+2 (n≥1)
CnH2n-6 (n≥6)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các nhận xét sau
1
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào trong số các chất sau có nhiệt độ sôi cao nhất: CH3-CH2- OH, C2H6 , CH3-O-CH3 , C2H4
C2H6
CH3-O-CH3
C2H4
CH3-CH2-OH
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho sơ đồ phản ứng thực hiện dãy chuyển hóa: CH4->X->C2H4->C2H6 . X là
C2H6
C2H5OH
CH3Cl
C2H2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo thu gọn của stiren là
C6H5-CH3
C6H5-CH=CH2
C6H5-OH
C6H6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho dãy các chất: CH4, C2H2, C2H4, C2H5OH, C6H5CH3 (toluen), C6H6 (benzen), CH2=CHCH2OH. Số chất trong dãy phản ứng được với dung dịch brom là
3
4
5
6
2
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