Questions
The function of fluorspar in the electrolytic reduction of alumina dissolved in fused cryolite is:
a
as a catalyst
b
to lower the temperature of the melt and improve the conductivity of cell
c
to decrease the rate of oxidation of carbon at the anode
d
to decrease the rate of oxidation of carbon at the cathode
detailed solution
Correct option is B
are added to decrease the MP of electrolyte and increase the conductivity of cell.
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