6.2.1 - Types of Hydrocarbon

• what are hydrocarbons?

  compounds made of carbon & hydrogen only
• what do hydrocarbons make up?

  crude oil - source of most fuels & main raw material for chemical industry
• types of hydrocarbons

  alipathic

  aromatic
• saturated compounds

  single bonds only
• unsaturated compounds

  have double bonds
• alipathic hydrocarbons

  have branched or unbranched chairs of carbon atoms or rings of carbon atoms that aren't aromatic
• examples of alipathic hydrocarbons

  alkanes

  alkenes
• aromatic hydrocarbons

  rings of carbon atoms with delocalised electrons

  called aromatic because of their smells

  sometimes called arens
• examples of aromatic hydrocarbons

  benzene

  methylbenzene

  naphthalene