What is an alkane?
A saturated hydrocarbon with only C-H bonds
What is the general formula of an alkane
CnH2n+2
What is crude oil?
Mixture of fractions formed at high temperatures and pressure and non-renewable
What is fractional distilation
- vapourised crude oil in fractionating column (cooler at bottom)
- vapour rises and condense when temperature < boiling point
- Shortest chain at the top
What is the first stage of free radical sustitution?
Initiation- breaking halogen bond to form free radical
What is the middle stage of free radical sustitution?
Propagation- chain part of the reaction where products are formed but free radicals remain
What is the last stage of free radical sustitution?
Termination- free radicals removed, stable products formed