Essential Chemistry for IGCSE - Electricity And Chemistry (Section 4 - No. 36)
Why is aluminium oxide dissolved in cryolite during electrolysis?
To increase the melting point of the electrolyte.
To save energy and improve the electrical conductivity.
To reduce the voltage.
To prevent the production of oxygen gas.
Explanation
Dissolving aluminum oxide in cryolite lowers the melting point and improves the electrical conductivity.
Comments (0)
