AshikaKnowledge Contributor
Give reasons for the following: Alumina is dissolved in cryolite for electrolysis instead of being electrolyzed directly.
Give reasons for the following: Alumina is dissolved in cryolite for electrolysis instead of being electrolyzed directly.
Cryolite serves two purposes in alumina electrolysis.
(a) It lowers the melting point of the mixture to around 1250 degrees Celsius.
(b) It improves the melt’s electrical conductivity.