Họ và tên thí sinh: ………………………………………………………
Số báo danh: ……………………………………………………………
A. Ethane
B. Methane
C. Propane
D. Butane
A. Methane
B. Ethane
C. Propane
D. Butane
A. Alkanes
B. Alkenes
C. Alkynes
D. Aromatic hydrocarbons
A. Ethene
B. Propene
C. Butene
D. Butane
A. CnH2n
B. CnH2n+2
C. CnH2n-2
D. CnHn
A. Hexane
B. 2-Methylbutane
C. Propane
D. Butane
A. Ethene
B. Acetylene
C. Methane
D. Benzene
A. Methane
B. Ethane
C. Propane
D. Butane
A. CnH2n
B. CnH2n+2
C. CnH2n-2
D. CnHn
A. Ethane
B. Propane
C. Butane
D. Pentane
A. Pentane
B. Hexane
C. Heptane
D. Octane
A. CnH2n
B. CnH2n+2
C. CnH2n-2
D. CnHn
A. Ethene
B. Propene
C. Butene
D. Butane
A. Alkane
B. Alkene
C. Alkyne
D. Aromatic hydrocarbon
A. They are insoluble in water
B. They are colorless and odorless
C. They are less dense than water
D. All of the above
ĐÁP ÁN
Câu 1: B
Gợi ý:
The simplest alkane has only one carbon atom
Câu 2: D
Gợi ý:
The molecular formula of an alkane is CnH2n+2
Câu 3: B
Gợi ý:
The name of this group comes from 'ene', which refers to the presence of a double bond
Câu 4: D
Gợi ý:
Unsaturated hydrocarbons contain double or triple bonds, while saturated hydrocarbons only contain single bonds
Câu 5: B
Gợi ý:
Alkanes are saturated hydrocarbons with single bonds only
Câu 6: B
Gợi ý:
Structural isomers have the same molecular formula but different structural arrangement
Câu 7: C
Gợi ý:
Alkanes are hydrocarbons with single bonds only
Câu 8: C
Gợi ý:
The name of alkanes are based on the number of carbon atoms
Câu 9: A
Gợi ý:
Alkenes are unsaturated hydrocarbons with one or more double bonds
Câu 10: A vàB và C
Gợi ý:
Alkanes with 1 to 4 carbon atoms are gases at room temperature
Câu 11: A
Gợi ý:
The prefix 'pent-' refers to five
Câu 12: C
Gợi ý:
Alkynes are unsaturated hydrocarbons with one or more triple bonds
Câu 13: D
Gợi ý:
Alkenes are hydrocarbons with one or more double bonds
Câu 14: D
Gợi ý:
Aromatic hydrocarbons contain a ring of carbon atoms
Câu 15: D
Gợi ý:
Alkanes are hydrocarbons with only single bonds