The alkanes

Petroleum: Crude Oil - occurs natrurally in rocks. - in raw state hard to ignite not useful must be cracked. ----> petrol, lubricating oils, fuel, plastics ect.                   --Crude Oil is decomposed bactira formed over millions of years. Contains lots of different hydrocarbons

Cracking: High Mr alkane ----> smaller Mr alkane + alkene (+H) Fractions or hydrocarbons or compounds have different 

Fractionating column (mostly alkanes): 

(1) boiling points/ separation of…