Mon September 16, 2013 By: Amuthavalli Thayyal Gopala Krishnan

why can't carbon be used to reduce metals of higher reactivity?

Expert Reply
Vaibhav Chavan
Tue September 17, 2013
Metals like sodium,aluminium and magnesium are placed at the top of the reactivity series.
Since they have a strong affinity for oxygen, so they hang on to the oxygen so strongly that the carbon cant take it away.To extract these metals you have to use the electrolysis.
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