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To establish a reactivity series using voltage.
Member rating: No Rating | Words: | Submitted: Mon Oct 27 2003
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CHEMISTRY REACTIVITY SERIES SC1 Aim: To establish a reactivity series using voltage Theory: The reactivity series is like a 'league table' for metals. The most reactive metal is at the top and the least reactive is at the bottom. They are put in order by how they react with water, steam and acids. K Na Ca Mg Al Zn Fe Pb Cu Ag1 * A substance, which donates electrons and so, causes a reduction of another substance. The more reactive a metal the more metals it can displace, however the less reactive metals can displace less metals. Displacement is the reaction in which one element replaces another in a compound. As I said above an element can only displace an element that is lower than itself in the reactivity series. In the reaction below zinc displaces copper from the copper sulphate solution: CuSO4 + Zn Cu + ZnSO4 (ag) (s) (s) (ag) However if zinc had the sulphate then no reaction would take place: ZnSO4 + Cu No reaction (ag) (s) ...
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