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| 1. |
Draw labelled diagram of Hall-Heroult electrolytic cell for the extraction of aluminium write anode and cathode reactions. |
Answer» Solution : `{:("At CATHODE :"Al_("(melt)")^(3+)+3e^(-)rarr Al_((L))),("At ANODE :"C_((s))+2O_("(melt)")^(2-)rarrCO_((g))+2E^(-)),(""C_((s))+2O_("(melt)")^(2-)rarrCO_(2(g))+4e^(-)):}` |
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