Passing electricity through compounds: electrolysis

2 marks · Hard

State the name given to (a) the positive electrode and (b) the liquid or solution that contains ions and undergoes electrolysis. Give both answers.

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(a) anode

(b) electrolyte

Also accept: a: anode; b: electrolyte; anode; electrolyte

Common mistakes: cathode instead of anode; solution instead of electrolyte

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Marking points

B1 · 1 mark · Gives the correct name for the positive electrode (anode)

B1 · 1 mark · Gives the correct name for the solution/liquid containing ions (electrolyte)

Worked solution

(a) The positive electrode is called the anode. (b) The liquid or solution containing ions that undergoes electrolysis is called the electrolyte.