In Hall’s process, the main reagent is | vedclass

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Question

(b) Pure alumina is a bad conductor of electricity and the fusion temperature of pure alumina is about $2000\,^&deg;C$ and at this temperature when th

Vedclass · Accepted Answer

$N{a_3}Al{F_6}$

Vedclass · Answer

(b) Pure alumina is a bad conductor of electricity and the fusion temperature of pure alumina is about $2000\,^&deg;C$ and at this temperature when the electrolysis is carried of fused mass the metal formed vapoureses as the boiling point of $Al$ is $1800\,^&deg;C$.
To overcome this difficulty, $N{a_3}Al{F_6}$ and $Ca{F_2}$ are mixed with alumina.

In Hall’s process, the main reagent is mixed with

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