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Dolomite can also be treated to get `MgCl_(2)` which in turn is electrolysed to get `Mg` (Dow natural brine process) . Give reactions for this process. |
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Answer» `MgCO_(3)overset(Delta)(to)MgCl_(2)+CO` `MgO+C+Cl_(2)overset(Delta)(to)MgCl_(2)+CO` At `700^(@)C`, `MgCl_(2)hArrMg^(2+)+2Cl^(-)` Cathode : `Mg^(2+)+2etoMg` Anode : `2Cl^(-)`-2etoCl_(2)uarr` |
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