Eduqas A-Level Chemistry · EDUQAS A110QS
3 Organic chemistry and analysis
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Organic chemistry and analysis
- A student burns a hydrocarbon fuel completely in excess oxygen. The only products formed a… (5 marks, Explain)
- Magnesium burns in oxygen to form magnesium oxide. The balanced equation for this reaction… (5 marks, Explain)
- Methane (CH₄) is a hydrocarbon that burns completely in oxygen. The balanced equation for … (5 marks, Explain)
- Ethanol can be converted into chloroethane by reacting it with phosphorus pentachloride. E… (5 marks, Explain)
- Methanol (CH₃OH) and bromoethane (C₂H₅Br) are examples of two different homologous series … (5 marks, Describe)
- Propan-1-ol (CH₃CH₂CH₂OH) and 1-chloropropane (CH₃CH₂CH₂Cl) belong to different homologous… (5 marks, Describe)
- Pentan-1-ol (C₅H₁₁OH) is an alcohol. When pentan-1-ol reacts with phosphorus pentachloride… (5 marks, Explain and Describe)
- Methanoic acid is the simplest carboxylic acid and is found naturally in ant venom. Descri… (5 marks, Describe)
- Ethanoic acid is a carboxylic acid found in vinegar. Describe the chemical properties of e… (5 marks, Describe)
- Propanoic acid is a carboxylic acid used as a food preservative. Describe what is observed… (5 marks, Describe and Explain)
- Butanone is a carbonyl compound used as a solvent in industry. A student adds a small piec… (5 marks, Explain)
- Pentan-2-one is a carbonyl compound used as a flavouring agent in the food industry. A stu… (5 marks, Describe)
- Iron reacts with hydrochloric acid. The reaction produces iron(II) chloride and hydrogen g… (5 marks, Explain)
- Zinc carbonate decomposes when heated to form zinc oxide and carbon dioxide gas. A student… (5 marks, Explain)
- Zinc reacts with sulfuric acid according to the equation: Zn + H₂SO₄ → ZnSO₄ + H₂. A stude… (5 marks, Explain)
- A student carries out paper chromatography to identify the amino acids present in a protei… (5 marks, Explain)
- A forensic scientist uses paper chromatography to separate the inks from two pens found at… (5 marks, Explain)
- When copper carbonate is heated, it decomposes to form copper oxide and carbon dioxide gas… (5 marks, Explain)
- A student uses paper chromatography to separate the coloured pigments in a sample of black… (5 marks, Explain)
- A technician uses paper chromatography to check the purity of a sample of a yellow food dy… (5 marks, Explain)
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