(a)[5]
Describe the electrolysis of molten lead(II) bromide. In your response include: a labelled diagram of the apparatus set-up; the names of the products formed at the positive and the negative electrodes.
(b)[2]
Use the kinetic particle model to describe how the particles in molten (liquid) lead are arranged and how they move.
(c)[2]
State two further physical properties of metals such as lead.
(d)[1]
Explain how the equation demonstrates that $\text{Pb}_3\text{O}_4$ is reduced.