Hydrocarbons
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Alkanes (Preparation and Reactions)
SubtopicAlkanes (Preparation and Reactions) under Hydrocarbons for Grade 11 ICSE.
Preview questions (no answers)
- 1.
Which of the following alkanes contains only primary and quaternary carbon atoms?
A.n-pentane
B.Isopentane
C.Neopentane
D.2-methylbutane
- 2.
The density of alkanes generally:
A.Decreases with increase in molecular mass
B.Increases with increase in molecular mass
C.Remains constant for all alkanes
D.Is higher than the density of water
- 3.
The reduction of alkyl halides using HI and Red Phosphorus produces which of the following?
A.Alkenes
B.Alkanes
C.Alkynes
D.Alcohols
Download the worksheet for Hydrocarbons - Alkanes (Preparation and Reactions) to practice offline. It includes additional chapter-level practice questions.
Alkenes and Alkynes
SubtopicAlkenes and Alkynes under Hydrocarbons for Grade 11 ICSE.
Preview questions (no answers)
- 1.
What is the product of the reaction between ethene and chlorine gas?
A.1,1-Dichloroethane
B.1,2-Dichloroethane
C.Chloroethane
D.Tetrachloroethane
- 2.
Which of the following is a balanced molecular formula for an alkene?
A.B.C.D. - 3.
When ethene is treated with hydrogen gas in the presence of a catalyst, the process is called:
A.Dehydrogenation
B.Hydrogenation
C.Hydration
D.Halogenation
Download the worksheet for Hydrocarbons - Alkenes and Alkynes to practice offline. It includes additional chapter-level practice questions.
Aromatic Hydrocarbons (Benzene)
SubtopicAromatic Hydrocarbons (Benzene) under Hydrocarbons for Grade 11 ICSE.
Preview questions (no answers)
- 1.
What type of hydrocarbon is benzene classified as?
A.Aliphatic
B.Alicyclic
C.Aromatic
D.Acyclic
- 2.
The electrophile in the sulphonation of benzene is usually considered to be:
A.B.C.D. - 3.
The resonance energy of benzene is approximately:
A.B.C.D.
Download the worksheet for Hydrocarbons - Aromatic Hydrocarbons (Benzene) to practice offline. It includes additional chapter-level practice questions.
Carcinogenicity and Toxicity
SubtopicCarcinogenicity and Toxicity under Hydrocarbons for Grade 11 ICSE.
Preview questions (no answers)
- 1.
Which statement about carcinogenic PAHs is correct?
A.They are easily washed away by rain because they are polar
B.They are formed by the complete combustion of carbon into CO2
C.They are products of the incomplete combustion of fuels
D.They are essential nutrients for human growth
- 2.
What is the primary environmental danger of oil spills regarding PAHs?
A.They increase the saltiness of the water
B.They release toxic and carcinogenic PAHs into the marine ecosystem
C.They make the water too warm for fish
D.They prevent the moon from reflecting on the water
- 3.
Which of the following structural features is typically associated with the carcinogenicity of a PAH?
A.A long straight carbon chain
B.The 'bay region' or specific fused ring geometry
C.Presence of triple bonds between all carbons
D.Lack of any hydrogen atoms
Download the worksheet for Hydrocarbons - Carcinogenicity and Toxicity to practice offline. It includes additional chapter-level practice questions.