May/June 2026 Paper 21

2026 · 40 questions · 40 parts · 40 marks

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12ElectrolysisMedium1 mark
Concentrated aqueous sodium chloride and dilute sulfuric acid are electrolysed with inert electrodes. Which row describes the electrode products for each electrolyte?
concentrated aqueous sodium chloride: cathodeconcentrated aqueous sodium chloride: anodedilute sulfuric acid: cathodedilute sulfuric acid: anode
Achlorinehydrogenhydrogenoxygen
Bhydrogenchlorinehydrogenoxygen
Cchlorinehydrogenoxygenhydrogen
Dhydrogenchlorineoxygenhydrogen