(a(i))[1]
Platinum is a solid and conducts electricity well. State one other property of platinum that makes it suitable for use as electrodes.
(a(ii))[1]
State what would be observed at the positive electrode during this electrolysis.
(a(iii))[2]
State and explain what would happen to the mass of the negative electrode during this electrolysis.
(a(iv))[2]
Suggest how the colour of the electrolyte would change during this electrolysis. Explain your answer.
(a(v))[2]
Identify the species that is oxidised during this electrolysis. Explain your answer.
(b(i))[4]
Describe how a metal spoon can be electroplated with silver.
(b(ii))[1]
Give one reason why metal spoons are electroplated with silver.