Essential Chemistry for IGCSE - Organic Chemistry And Petrochemicals (Section 3 - No. 15)
Which of the following is the main difference between alkanes and alkenes?
Alkanes are cyclic, alkenes are not.
Alkanes have single bonds, alkenes have double bonds.
Alkanes have a -OH functional group, alkenes do not.
Alkanes are less reactive than alkenes.
Explanation
Alkanes have only single carbon-carbon bonds, while alkenes have at least one carbon-carbon double bond.
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