Passing electricity through compounds: electrolysis
3 marks · EasyThe diagram shows an apparatus for electrolysis.
Name the positively charged electrode.
Name the negatively charged electrode.
Give the term for the solution or molten compound that contains ions in this process.
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(a) Anode
(b) Cathode
(c) Electrolyte
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Marking points
B1 (a) · 1 mark · Names the positive electrode as 'anode'.
B1 (b) · 1 mark · Names the negative electrode as 'cathode'.
B1 (c) · 1 mark · Gives 'electrolyte' as the term for the solution/molten compound containing ions.
Worked solution
a) The positively charged electrode is the anode.
b) The negatively charged electrode is the cathode.
c) The solution or molten compound is called an electrolyte.