Common alkanes include methane (natural gas), propane (heating and cooking fuel), butane (lighter fluid) and octane (automobile fuel). Alkenes have at least one double bond and alkynes have at least one triple bond. ... Alkenes have the formula CnH2n and alkynes use the formula CnH2n-2.
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Common alkanes include methane (natural gas), propane (heating and cooking fuel), butane (lighter fluid) and octane (automobile fuel). Alkenes have at least one double bond and alkynes have at least one triple bond. ... Alkenes have the formula CnH2n and alkynes use the formula CnH2n-2.