Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

Concentrated aqueous potassium bromide is electrolysed with inert electrodes. What substances are produced at the anode and at the cathode?

  • Aanode: bromine; cathode: hydrogen
  • Banode: bromine; cathode: potassium
  • Canode: hydrogen; cathode: bromine
  • Danode: hydrogen; cathode: potassium

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI