Essential Chemistry for IGCSE - Electricity And Chemistry (Section 3 - No. 32)
What is the primary function of cryolite in the electrolytic extraction of aluminum?
To act as a catalyst for the reaction.
To lower the melting point of the electrolyte.
To provide additional aluminum ions for reduction.
To increase the electrical resistance of the electrolyte.
Explanation
Cryolite is used to lower the melting point of the electrolyte, which contains molten aluminum oxide.
Comments (0)
