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In the commercial electrochemical process for aluminium extraction the electrolyte used is

$ (a)\;\text{$Al(OH)_3$in $NaOH$ solution } \\(b)\;\text{An aqueous solution of $Al_2(SO)_3.$ } \\(c)\;\text{ A molten mixture of $Al_2O_3$ and $Na_3AlF_6$ } \\ (d)\;\text{A molten mixture of $Al_2O_3$ and $Al(OH)_3$ } $
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In the commercial electrochemical process for aluminium extraction the electrolyte used is a molten mixture of $Al_2O_3$ and $Na_3AlF_6$
Hence c is the correct answer.
answered Mar 17, 2014 by meena.p
 
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