hóa 11- ôn tập hk2
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Medium
Socka Chau
Used 35+ times
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96 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy đồng đẳng của ancol etylic có công thức chung là:
CnH2n + 1OH
(n ≥1)
CnH2n - 1OH (n ≥1)
CnH2n OH (n ≥1)
CnH2n + 2 - x (OH)x (n ≥x; x ≥ 1)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đồng phân ancol có công thức phân tử C4H9OH là:
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các chất sau, chất nào tan trong nước nhiều nhất?
C6H6
I2
C2H5OH
C2H6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Etanol không phản ứng với chất nào sau đây?
Kali
Axit clohidric
Etanol
Kali hidroxit.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxi hoá Propan-2-ol thu được sản phẩm:
Andehit propionic
Andehit axetic
Axeton
Andehit fomic
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đốt cháy một ancol đơn chức X thu được hỗn hợp sản phẩm cháy trong đó số mol CO2 < số mol H2O. Công thức phân tử của X đã dùng là:
CnH2n - 1 OH
CnH2n+2 O3
CnH2n + 1OH
CnH2n + 2 O2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxi hoá CH3-CH2-OH bằng CuO đun nóng, thu được anđehit có công thức là
CH3CHO.
CH3CH2CHO.
CH2=CHCHO
HCHO
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