Organic Chemistry

Worked examples (3)

• 1Displayed formula of propane
• 2Defining homologous series
• 3Structural isomers of C₄H₁₀

Worked examples (4)

• 1Why crude oil needs fractional distillation (not simple distillation)
• 2Complete combustion of propane
• 3Dangers of incomplete combustion
• 4Cracking decane

Worked examples (3)

• 1Similarities and differences between ethane and propane
• 2Definition of homologous series with example
• 3Why boiling points increase with chain length

Worked examples (3)

• 1Combustion of butane
• 2Why alkanes do not react with bromine water
• 3Substitution of methane with chlorine

Worked examples (4)

• 1Ethene + bromine — reaction and observation
• 2Why ethene decolourises bromine water but ethane does not
• 3Polymerisation of propene
• 4Hydration of ethene to ethanol

Worked examples (4)

• 1Fermentation of glucose
• 2Conditions for fermentation
• 3Fermentation vs hydration of ethene
• 4Advantage of ethanol as a fuel

Worked examples (4)

• 1Formation of nylon
• 2Environmental problem and solution for synthetic polymers
• 3Addition vs condensation polymer with examples
• 4Uses of poly(ethene) and why it is suitable

Worked examples (3)

• 1Type of polymerisation forming proteins
• 2Starch vs cellulose
• 3Addition vs condensation polymerisation