Ethene undergoes mainly addition reactions because it is

Assessment: WAEC SSCE - Chemistry - 1997 (Objective) Subject: Chemistry

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Ethene undergoes mainly addition reactions because it is
Answer Details
Ethene undergoes mainly addition reactions because it is unsaturated. This means that it contains a double bond between two carbon atoms, which is a reactive site for the addition of other molecules. In an addition reaction, the double bond is broken and new atoms or groups are added to the carbon atoms of the ethene molecule. This results in the formation of a new compound that contains all the atoms of the original reactants. Addition reactions are characteristic of unsaturated compounds like ethene, which have reactive double or triple bonds that can be easily broken to form new bonds.
Read lesson note on Chemistry Of Carbon Compounds (Nigeria Only) (WAEC)
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