Hợp chất hữu cơ nhất thiết phải chứa nguyên tố

ĐỀ CƯƠNG HÓA CKII LỚP 11

Quiz
•
Chemistry
•
1st - 12th Grade
•
Medium
TH-THCS-THPT Huong
Used 14+ times
FREE Resource
46 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
hiđro.
cacbon.
oxi.
nitơ.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất nào sau đây không phải là chất hữu cơ?
C2H5OH.
C2H4.
C2H2.
CO2.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất nào sau đây là hiđrocacbon?
C2H5NH2.
CH3COOH.
C2H5OH.
C2H6.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất đứng đầu dãy đồng đẳng của ankan là
Etan
Metan
Butan
Propan
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Có bao nhiêu đồng phân cấu tạo có công thức phân tử C5H12 ?
3 đồng phân.
4 đồng phân.
5 đồng phân.
6 đồng phân.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Số nguyên tử cacbon trong phân tử butan là
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Olefin (anken) là hợp chất có công thức phân tử chung là
CnH2n (n ≥ 2).
CnH2n -6 (n ≥ 6).
CnH2n – 2 (n ≥ 2).
CnH2n + 2(n ≥ 1).
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