AQA GCSE Combined Science Organic Chemistry Quiz

What is the general formula for alkanes?

• CnH2n+2

• CnHn+2

• CnH2n-2

• CnH2n

How many carbon atoms are there in butane?

• 4

• 2

• 8

• 6

What is the name of the alkane with 5 carbon atoms?

• Pentane

• Methane

• Butane

• Hexane

What type of bond is present in alkanes?

• Ionic bond

• Hydrogen bond

• Single covalent bond

• Double covalent bond

What is the process called when an alkane reacts with oxygen to produce carbon dioxide and water?

• Oxidation

• Combustion

• Photosynthesis

• Fermentation

What is the general formula for alkenes?

• CnH2n

• CnHn

• CnHn+2

• CnH2n+2

What is the name of the alkene with 3 carbon atoms?

• methane

• butene

• ethanol

• propene

What is the type of bond present in alkenes?

• Covalent bond

• Triple bond

• Double bond

• Ionic bond

What is the process called when an alkene reacts with hydrogen to produce an alkane?

• Oxidation

• Decomposition

• Substitution

• Hydrogenation

What is the name of the reaction in which an alkene reacts with bromine water to decolourize it?

• Addition reaction

• Division reaction

• Multiplication reaction

• Subtraction reaction