This topic is about the fuels that power the modern world: hydrocarbons.

You will study the process for turning crude oil into useful fuels and products, the properties of these families of chemicals and some of the consequences of our dependance on them

Specification links:

• Set 1: Chapter 4.7.1

• Set 2&3: Chapter 5.7.1

Task 1b: listen to the podcast to get an overview of this topic:

Task 2b: Make notes that:

• Define a hydrocarbon

• Define a fuel

• Describe the composition of crude oil

• List the properties of alkanes

• Give the names of the first five alkanes

Task 2c: Answer and mark the exam questions

Task 3b: Make notes that:

• Compare the properties of short and long chain hydrocarbons

• Draw a diagram of a fractionating column (slide 16)

• Explain how a fractionating column works.

Task 3d: Complete the progress check:

Task 4b: Make notes that:

• Define combustion.

• Give the word equation for complete combustion.

• Give the word equation for incomplete combustion.

• Compare complete and incomplete combustion.

• Evaluate the social, economic and environmental impacts of combustion products. Use the summary video above to help you with this.

Task 5b: Make notes that:

• Define cracking

• Describe conditions required for the reaction to happen.

• Explain the need for cracking.

• Give the general word equation for cracking.

• Describe the properties of alkenes.

• Name the first four alkenes and give their formulas

• Draw the displayed formulas for the first 4 alkenes

• Give the general formula for an alkene

• Compare alkanes and alkenes.

• Describe how to test for alkenes.

Task 7: Complete the quiz for your set: