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Hydrocarbons

Hydrocarbons are compounds that only contain H and C atoms, but they can be subdivided according to the following tree diagram depending on the CC bond types that are present.

Hydrocarbons
CcHh
Alkanes
Alkenes
Alkynes
Arenes
Only CC σ bonds 
all C sp3 hybridised
CC σ and π bonds 
C=C
CC σ and  2π bonds 
C≡C
6 C cyclic array with alternate 
C-C and C=C bonds
ALIPHATIC 
AROMATIC


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organic chemistry © Dr. Ian Hunt, Department of Chemistry University of Calgary