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Hydrocarbons : - Coggle Diagram
Hydrocarbons :
Simple hydrocarbons
Hydrocarbons that contain only hydrogen and carbon, they have three varieties depending on the carbon-carbon bond occurring in the molecule
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Alkanes are the first class of simple hydrocarbons and only contain carbon-carbon single bonds. The alkanes are named by combining a prefix that describes the number of carbon atoms in the molecule with the root ending "ane".
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The second class of simple hydrocarbons is alkenes, this have molecules that contain at least one double bonded carbon pair. Alkenes follow the same naming convention used for alkanes, a prefix to describe the number of carbon atoms is combined with the ending "ene"
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Alkynes are the third and last class of simple hydrocarbons and contain at least one triple bonded carbon pair alkynes are named by combining a prefix with the ending "yne" to denote the triple bond.
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Isomers
Carbons can bond in many different ways a single molecule can have different bonding configurations 
In this table both molecules have identical chemical formulas however their structural formulas are different .
Functional groups
carbon and hydrogen, hydrocarbons can also contain other elements. In fact, many common groups of atoms can occur within organic molecules
Ethanol, common drinking alcohol, is the active ingredient in "alcoholic" beverages such as beer and wine.
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