L4 Cracking Crude Oil Quiz

1.Separates crude oil into similar sized molecules

• Fractional Distillation

• Cracking

1.Produces kerosene – a jet fuel

• Fractional Distillation

• Cracking

1.An example of a thermal decomposition reaction

• Fractional Distillation

• Cracking

1.Occurs in a column which is hottest at the bottom

• Fractional Distillation

• Cracking

1.Splits long, gloopy hydrocarbons into shorter alkanes and alkenes

• Fractional Distillation

• Cracking

1.Can be proven to have taken place by the use of bromine water

(orange to colourless in eh presence of an alkene)

• Fractional Distillation

• Cracking

Long chain hydrocarbons are broken down into shorter more useful alkanes and alkenes by a process called cracking

What is cracking?

• A process that turns long chain hydrocarbons into short chain hydrocarbons

• A process that turns short chain hydrocarbons into long chain hydrocarbons

Why do we use cracking to get petrol?

• The supply of petrol from cracking is larger than the demand

• The supply of petrol from fractional distillation is larger than the demand

• The supply of petrol from fractional distillation is smaller than the demand

• The supply of petrol from cracking is smaller than the demand

Which is NOT a property of a long chain hydrocarbon?

• Viscous

• Flammable

• Not very volatile

• High boiling point