Metals & ICP spectroscopy questions

1. Aluminium is produced by electrolysing a molten solution of alumina, Al2O3, in cryolite, Na3AlF6, using graphite electrodes.(a) Explain why a molten solution of the alumina dissolved in cryolite is used rather than just using molten alumina.(b) State the half-equations for the reactions occurring at (i) the cathode (negative electrode) and (ii) the anode (positive electrode) during the electrolysis.

To access the entire contents of this site, you need to log in or subscribe to it..

Click the free stuff button on the home page to access free pages or check the blog (which is also free).

All materials on this website are for the exclusive use of teachers and students at subscribing schools for the period of their subscription. Any unauthorised copying or posting of materials on other websites is an infringement of our copyright and could result in your account being blocked and legal action being taken against you.