Definition: The compounds which are made up of carbon and hydrogen are called hydrocarbons.
Types of hydrocarbons: Hydrocarbons are of mainly three types:
I. Saturated, II. Unsaturated and III. Aromatic
I. Saturated hydrocarbons: Such hydrocarbons which are formed by C-C single bond or C-H single bond are called saturated hydrocarbons.
II. Unsaturated hydrocarbons: Such hydrocarbons which are formed by C-C double or triple or both bonds are called unsaturated hydrocarbons.