Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

(a)[2]

Dilute sulfuric acid is electrolysed with carbon electrodes. State the products formed at the negative electrode and at the positive electrode.

(b(i))[2]

State what is meant by the term covalent bond.

(b(ii))[2]

Graphite is a solid. Describe how the particles are arranged and how they move in a solid.

(c)[1]

Graphite is one form of solid carbon. Name one other solid form of carbon.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: Negative electrode: hydrogen gas

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