Chapter 2 : Alkanes

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

Hydrocarbons CcHh
Alkanes	Alkenes	Alkynes	Arenes
Only CC s  bonds  all C sp3 hybridised	CC s and  p bonds  C=C	CC s and  2p bonds  CºC	6 C cyclic array with alternate  s and p bonds
ALIPHATIC			AROMATIC