A-Level ChemistryYear 2023Q14
page 09 14. During a redox process in acid solution, iodate ions are converted into iodine. 2IO3 -(aq) + 12H+(aq) + xe- ↓ I2(aq) + 6H2O(ℓ) What value of x is required to balance the equation? A 12 B 11 C 10 D 6 15. A step in the synthesis of vitamin B3 is shown. HC HC C N CH C O CH H H H HC HC C N CH C O O CH H What name is given to this type of reaction? A Condensation B Hydration C Reduction D Oxidation [Turn over
Paper Source:NH_Chemistry_Paper1-Multiple-choice_2023.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)