Alkenes

    Cards (9)

    • Alkenes are hydrocarbons with a double bond between the carbon atoms
    • The presence of the double bond means that it is unsaturated, this mean that the number of hydrogen atoms is fewer in alkenes
    • ethene: C2H4
    • propene: C3H6
    • butene: C4H8
    • pentene: C5H10
    • Alkenes can react with hydrogen gas; called hydrogenation
    • Alkenes can react with water to form alcohol; called hydration
    • Alkenes can react with group 7 elements; called halogenation
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