Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

Aqueous sodium chloride (brine) is electrolysed using inert electrodes in a cell that is stirred so that the products of electrolysis can react with one another. The cell is maintained at a low temperature. Which pair of substances is produced as one of the main products?

  • Ahydrogen and chlorine
  • Bhydrogen and sodium chlorate(I)
  • Chydrogen and sodium chlorate(V)
  • Dsodium hydroxide and chlorine

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