Can anyone tell me which metals are refined using electrolysis? Is it the most reactive or least reactive ones?
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it is use for least Reactive metals like Cu Ag Au ...
the pure metal is taken up at cathode and impure at aside
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Reactivity and extraction method
The table displays some metals in decreasing order of reactivity and the methods used to extract them. Metals more reactive than carbon, such as aluminium, are extracted by electrolysis, while metals less reactive than carbon, such as iron, may be extracted by reduction with carbon.
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