Q 3111823720.     (i) State what is observed when copper sulphate solution is electroly3ed using a platinum anode.
(ii) What ions must be present in a solution used for electroplating a particular metal.
(iii) A solution of silver nitrate is a good electrolyte but it is not used for electroplating an article
with silver.
(iv) Choosing only words from the following list write down the appropriate word to fill in the
blanks below : -
anions, anode, cathode, cations, electrode, electrolyte, nickel, voltameter'.
To electroplate an article with nickel requires an (a) ____ which must be a solution
containing (b) ____ ions. The article to be plated is placed as the (c) ____ of the cell
in which the plating is carried out. The (d) ____ of the cell is made from pure nickel. The
ions which are attracted to the negative electrode and discharged are called (e) __ _