UNIT 13 Hydrocarbons
Compounds consisting of carbon and hydrogen only are known as hydrocarbons.
These are saturated open chain hydrocarbons containing carbon-carbon single bond.
Alkenes are unsaturated hydrocarbons containing at least one double bond.
Isomerism: Alkenes show both structural and geometrical isomerism
Alkynes are unsaturated hydrocarbons which contain at least one triple bond between two carbon atoms.
These hydrocarbons are also known as arenes. Most of these compounds possess a pleasant odour and hence called aromatic.
Most of these compounds contain benzene ring. Benzene ring is highly unsaturated. Aromatic compounds containing benzene ring are known as benzenoids and those not containing a benzene ring are known as non-benzenoids.
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