Which compound has a carbon-carbon double bond?
Answer and explanation
Correct answer: Ethene
Ethene has the molecular formula C₂H₄ and structural formula CH₂=CH₂. The equals sign represents a carbon-carbon double bond, making ethene an alkene and an unsaturated hydrocarbon. Ethane and propane are alkanes with only single carbon-carbon bonds, while methane contains only one carbon atom and cannot have a carbon-carbon bond. Therefore option A is the only correct answer.
Frequently asked questions
What is the correct answer to this question?
Ethene
Why is this the correct answer?
Ethene has the molecular formula C₂H₄ and structural formula CH₂=CH₂. The equals sign represents a carbon-carbon double bond, making ethene an alkene and an unsaturated hydrocarbon. Ethane and propane are alkanes with only single carbon-carbon bonds, while methane contains only one carbon atom and cannot have a carbon-carbon bond. Therefore option A is the only correct answer.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Carbon and its Compounds. Topic: Hydrocarbons.
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