In the electrolytic extraction of aluminium, cryolite is used

Question

In the electrolytic extraction of aluminium, cryolite is used (A) To obtain more aluminium (B) To decrease temperature to dissolve bauxite (C) To-protect the anode (D) As reducing agent

Tardigrade Admin · Accepted Answer

Cryolite Na 3 AlF 6 is added (1) To decrease the melting temperature from 2323 K to 1140 K (2) To increase the electrical conductivity of solution

Q. In the electrolytic extraction of aluminium, cryolite is used

To obtain more aluminium

To decrease temperature to dissolve bauxite

To-protect the anode

As reducing agent

Cryolite $N a_{3} A l F_{6}$ is added

(1) To decrease the melting temperature from $2323 K$ to $1140 K$

(2) To increase the electrical conductivity of solution

Q. In the electrolytic extraction of aluminium, cryolite is used

To obtain more aluminium

To decrease temperature to dissolve bauxite

To-protect the anode

As reducing agent

Cryolite Na3​AlF6​ is added (1) To decrease the melting temperature from 2323K to 1140K (2) To increase the electrical conductivity of solution

Cryolite $N a_{3} A l F_{6}$ is added

(1) To decrease the melting temperature from $2323 K$ to $1140 K$

(2) To increase the electrical conductivity of solution