Question icon
Grade 12th pass10 grade science

in electrometallurgy of aluminium, why is the graphite rod used?

Profile image of Harshit Singh
4 Years agoGrade 12th pass
Answers icon

1 Answer

Profile image of Yash Patari
4 Years ago
Dear student
Graphite is used as the anode during the electrolysis of molten alumina. Its role is to prevent the formation of O2 at the anode otherwise some of the aluminium may be oxidised by oxygen.