17 Organic chemistry II (A-Level only)

Practice questions on Organic chemistry II (A-Level only)

• Explain what is meant by optical isomerism and describe the conditions that must be met fo… (5 marks, Explain)
• A student is studying two organic molecules, molecule A and molecule B. Molecule A is buta… (5 marks, Explain)
• Ibuprofen is a common painkiller. It contains a chiral centre in its molecular structure. … (5 marks, Explain)
• Lactic acid (2-hydroxypropanoic acid) is produced in muscle cells during intense exercise.… (5 marks, Explain)
• Butanone and butanal are both carbonyl compounds. Explain why butanone cannot be oxidised … (5 marks, Explain)
• Propanoic acid reacts with sodium carbonate solution. Explain why propanoic acid reacts wi… (5 marks, Explain and Describe)
• Aspirin (2-ethanoylhydroxybenzoic acid) is manufactured by reacting 2-hydroxybenzoic acid … (5 marks, Explain)
• Explain why an acyl chloride, such as ethanoyl chloride, is a more reactive acylating agen… (5 marks, Explain)
• Ethanoyl chloride and ethanoic anhydride are both acylating agents that can react with eth… (5 marks, Explain)
• Ethanoic acid is a carboxylic acid. Explain why ethanoic acid is described as a weak acid … (5 marks, Explain)
• A student reacts cyclohexanone with a solution of 2,4-dinitrophenylhydrazine (2,4-DNPH). T… (5 marks, Explain)
• Propanal and propanone are both carbonyl compounds with the molecular formula C₃H₆O. Expla… (5 marks, Explain)
• A student has two unlabelled bottles, each containing a different carbonyl compound. One b… (5 marks, Describe)
• Aldehydes and ketones are both carbonyl compounds. Explain how you could use Tollens' reag… (5 marks, Explain)
• Thalidomide is a drug that was prescribed in the late 1950s. It exists as a pair of optica… (5 marks, Explain)