Essential Chemistry for IGCSE - The Variety Of Organic Chemicals (Section 4 - No. 7)
What is the key difference between an alkane and an alkene?
Alkanes are less reactive.
Alkenes have a carbon-carbon double bond.
Alkanes are liquids at room temperature.
Alkenes have a lower boiling point.
Explanation
The presence of a carbon-carbon double bond is the defining feature of alkenes.
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