6 Organic chemistry and analysis (A-Level only)

Practice questions on Organic chemistry and analysis (A-Level only)

• Nylon is a condensation polymer made from two different monomers. Explain how condensation… (5 marks, Explain)
• Vinegar contains ethanoic acid, a member of the carboxylic acids homologous series. Descri… (5 marks, Describe)
• Propanoic acid is a carboxylic acid used as a food preservative. Describe the key properti… (5 marks, Describe)
• Methanol, ethanol, propanol and butanol are the first four members of a homologous series … (5 marks, Describe)
• Describe the differences between addition polymerisation and condensation polymerisation, … (5 marks, Describe)
• A sports clothing company is developing a new fabric using condensation polymerisation. Th… (5 marks, Explain)
• A biochemist is studying the structure of DNA. She notes that DNA is a natural polymer mad… (5 marks, Explain)
• A pharmaceutical company uses paper chromatography to check the purity of a newly synthesi… (5 marks, Explain)
• A forensic scientist uses thin-layer chromatography (TLC) to compare an ink sample found a… (5 marks, Explain)
• A chemist uses thin-layer chromatography (TLC) to investigate a sample of an unknown organ… (5 marks, Explain)
• A student uses paper chromatography to analyse a mixture of food colourings. The student c… (5 marks, Explain)
• A food packaging company is researching the use of condensation polymers to create biodegr… (5 marks, Explain)
• Butanoic acid is responsible for the distinctive smell of rancid butter. Explain the chemi… (5 marks, Explain)
• Ethanol can be oxidised to form a carboxylic acid. Explain what is meant by the term carbo… (5 marks, Explain)
• A student is analysing a mixture of amino acids separated by paper chromatography. After t… (5 marks, Explain)