Thách Thức Hóa Học - Aldehyde & Cacboxylic Acid
Quiz
•
Chemistry
•
11th Grade
•
Medium
Duy Hoàng
Used 8+ times
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Trong công nghiệp, axeton được điều chế từ:
Xiclopropan
Propan – 1 – ol
Propan – 2 – ol
Cumen
2.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Những chất phản ứng với một lượng dư H2 (Ni, to) cùng tạo ra một sản phẩm là:
CH3CH2CHO
CH2=CHCHO
(CH3)2CHCHO
CH2=CHCOOH
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Cho dãy các chất sau: HCHO, CH3COOH, HCOOH, C2H5OH, HCOOCH3. Số chất tham gia phản ứng tráng gương là:
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quá trình nào sau đây không tạo ra anđehit axetic?
CH2=CH2 + H2O (to , xúc tác HgSO4)
CH2 = CH2 + O2 (to , xúc tác)
CH3COOCH=CH2 + dung dịch NaOH (to)
CH3CH2OH + CuO (to)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dãy gồm các chất đều tác dụng được với AgNO3 (hoặc Ag2O) trong dung dịch NH3 là:
Anđehit axetic, but – 1 – in, etilen.
Axit fomic, vinylaxetilen, propin.
Axit fomic, etilen, axetilen.
Anđehit axetic, axetilen, But – 2 – in.
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dãy được sắp xếp theo chiều tăng của nhiệt độ sôi là:
CH3CHO, C2H5OH, C2H6
C2H6, CH3CHO, C2H5OH.
C2H6 , C2H5OH, CH3CHO.
C2H5OH, C2H6, CH3CHO.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Cho anđehit no, mạch hở, có công thức CnHmO2. Mối quan hệ giữa n và m là:
m = 2n + 1
m = 2n – 2
m = 2n
m = 2n + 2
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