Question

(a) Show the formation of NaCl from sodium and chlorine atoms by the transfer of electron(s).
(b) Why has sodium chloride a high melting point?
(c) Name the anode and the cathode used in the electrolytic refining of impure copper metal.

Answer 1

In the electrolytic refining of copper, the charge flows from anode to the cathode thus in this way the pure copper will go and attach with the pure copper rod placed in the cathode.