Edexcel iGCSE 3, 5b, 5c

Define the term hydrocarbon

• Molecule made of carbon and hydrogenation
• Molecule made of carbon and hydrogen
• Substance made of carbon and hydrogen
• Molecule made of carbon and hydrogen ONLY

What is the general formula of an alkane

• 2n+2
• CnH2n+2
• CnH2n
• CnHn

What is the general formula of an alkene

• 2n+2
• CnH2n+2
• CnH2n
• CnHn

What does homologous mean?

• Same type e.g. alkanes
• Different molecules e.g. alkanes and alkenes
• Same general formula e.g. alkanes
• React the same e.g. alkenes

What is the exam definition of saturated?

• No single bonds
• Contains a double bond
• No single bonds, all double bonds
• No double bonds, all single bonds

What is the exam definition of unsaturated?

• No single bonds
• Contains a double bond
• No single bonds, all double bonds
• No double bonds, all single bonds

What is this molecule?

• Butanes
• Pentene
• Pentane
• Butane

Give the name of this compound...
C₃H₈

• Propene
• Butane
• Butene
• Propane

The process of separating the different length hydrocarbons from crude oil is known as...

• Distillation
• Cracking
• Fractional Distillation
• Filtering

Name this alkane

• Methane
• Ethane
• Propane
• Butane