IGCSE Organic Chemistry

What is the general formula for alkanes?

• CnH2n

• CnHn+2

• CnH2n+2

• CnH2n-2

Give an example of a simple alkane.

• Methane

• Ethanol

• Propane

• Acetone

What type of bond is present in alkanes?

• Double covalent bond

• Hydrogen bond

• Ionic bond

• Single covalent bond

What is the general formula for alkenes?

• CnH2n+2

• CnHn

• CnHn-2

• CnH2n

Give an example of a simple alkene.

• Butane

• Methane

• Ethene

• Propane

What type of bond is present in alkenes?

• Hydrogen bond

• Covalent bond

• Metallic bond

• Ionic bond

What functional group is present in alcohols?

• Hydroxyl (-OH)

• Ester (-COO-)

• Amino (-NH2)

• Carbonyl (-CO)

Give an example of a simple alcohol.

• Methanol

• Propanol

• Ethanol

• Butanol

What is the product of the addition reaction between an alkene and hydrogen?

• Substitution

• Oxidation

• Hydrogenation

• Polymerization

What is the product of the elimination reaction between an alcohol and sulfuric acid?

• alkene

• ester

• carboxylic acid

• alcohol