Which hydrocarbons contain carbon-carbon double bonds?

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Prepare for the Dual Enrollment Physical Science Midterm. Study with flashcards and multiple choice questions, each with hints and explanations. Ace your exam!

Multiple Choice

Which hydrocarbons contain carbon-carbon double bonds?

Explanation:
The key idea is that a carbon–carbon double bond defines an alkene. Alkanes have only single bonds between carbons and are saturated (CnH2n+2). Alkynes have triple bonds (C≡C). Cycloalkanes are ring-shaped and also have only single bonds (saturated rings). So a hydrocarbon with a C=C bond is an alkene. The -ene ending is a helpful hint, with examples like ethene or propene showing this double-bond feature.

The key idea is that a carbon–carbon double bond defines an alkene. Alkanes have only single bonds between carbons and are saturated (CnH2n+2). Alkynes have triple bonds (C≡C). Cycloalkanes are ring-shaped and also have only single bonds (saturated rings). So a hydrocarbon with a C=C bond is an alkene. The -ene ending is a helpful hint, with examples like ethene or propene showing this double-bond feature.

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