plumiSome reactions of the halide ions: CAIE A‑Level Chemistry questions
Every CAIE A-Level Chemistry exam question on 11.3 Some reactions of the halide ions, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
Find questions312
Calculations
Q1(d)(i)
The whole paper ↗![June 2024 Paper 2, question 1(d)(i): Write an equation to describe the acid–base reaction that occurs when concentrated sulfuric acid reacts with NaBr. [1]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/970121-jun24-01-di-qp.webp)
Q1(d)(ii)
The whole paper ↗
All 5 questions on Some reactions of the halide ions, as a list
- June 2024, Paper 1, Q21 (1 mark): A solid sodium halide, NaX, is reacted with concentrated sulfuric acid. The lowest oxidation state of sulfur in the products is +4. Halogen Y2 is less volatile
- June 2024, Paper 1, Q22 (1 mark): Compound Q dissolves in water. Q(aq) does not react with dilute sulfuric acid. Q(aq) forms a precipitate when aqueous silver nitrate is added. This precipitate
- June 2024, Paper 2, Q1(d)(i) (1 mark): Write an equation to describe the acid–base reaction that occurs when concentrated sulfuric acid reacts with NaBr. [1]
- June 2024, Paper 2, Q1(d)(ii) (3 marks): Deduce which sodium halide, NaCl , NaBr or NaI, produces the largest percentage yield of hydrogen halide when concentrated sulfuric acid is added. Explain your
- Specimen, Paper 1, Q20 (1 mark): When concentrated sulfuric acid reacts with sodium iodide the products include sulfur, iodine, hydrogen sulfide and sulfur dioxide. Which statement is correct?
Questions, mark schemes and examiner’s reports are © Cambridge University Press & Assessment, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? Every CAIE A-Level Chemistry paper.
Rather write your answers by hand on iPad? Plumi marks them against the same mark schemes.