organic compounds are compounds with carbon atom as the main component. there are different kinds of organic compounds the very common are those utilized by our body like carbohydrates- ienergy giving compound when oxidized I,in the cells of our body, fats- also a source of energy, protein- for repair and maintenance of body tissues, alcohol is also organic compound used as disinfectant big groups of organic compounds are alkane, alkene,alkynes and aromatic hydrocarbon. example of alkane is methane which is gaseous use as fuel for cooking, alkene example is ethane for alkyne ethyne then for aromatic alcohol and acetone are examples 
sorry ethane is supposedly ethene