(B) Cryolite $(Na_3AlF_6)$ is added to the aluminium oxide $(Al_2O_3)$ during electrolysis. It serves two main purposes: $1$. It lowers the melting po

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(B) Cryolite $(Na_3AlF_6)$ is added to the aluminium oxide $(Al_2O_3)$ during electrolysis. It serves two main purposes: $1$. It lowers the melting point of the mixture from approximately $2050 \ ^\circ C$ to about $950 \ ^\circ C$. $2$. It increases the electrical conductivity of the molten mass,thereby accelerating the process.

Class 12 Chemistry General Principles and Processes of Isolation of Elements Reduction to free Metal

Easy

In the electrolysis of aluminium oxide,which of the following is added to accelerate the process?

A
Silica
B
Cryolite
C
Nickel
D
Silicate

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Class 12

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General Principles and Processes of Isolation of Elements

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Reduction to free Metal

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In the electrolysis of aluminium oxide,which of the following is added to accelerate the process?

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In the electrolysis of alumina to obtain aluminium metal,cryolite is added mainly to

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