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Metal Displacement Reactions.  A metal will displace(take the place of) a less reactive metal in a metal salt solution.  For example, iron + copper(II)sulfate.

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Presentation on theme: "Metal Displacement Reactions.  A metal will displace(take the place of) a less reactive metal in a metal salt solution.  For example, iron + copper(II)sulfate."— Presentation transcript:

1 Metal Displacement Reactions.  A metal will displace(take the place of) a less reactive metal in a metal salt solution.  For example, iron + copper(II)sulfate  iron sulfate +copper. If a less reactive metal is added to a metal salt solution there will be no reaction  iron + magnesium sulfate  no reaction.  In these displacement reactions the metals are competing for the non-metal anion. In the above examples the non-metal anion is sulfate - SO 4 2-.

2 The order of the metals in the reactivity series can be worked out by using displacement reactions.  For example, tin would be seen to displace lead from lead chloride but would not react with iron(II) chloride.  tin + lead chloride  tin chloride + lead. Sn (s) + PbCl 2(aq)  SnCl 2(aq) + Pb (s)  tin + iron(II) chloride no reaction. Sn (s) + FeCl 2(aq) Therefore tin must be above lead but below iron in the reactivity series.  Copper would be seen to displace silver from silver nitrate but would not react with lead nitrate.  copper + silver nitrate  copper nitrate + silver. Cu (s) + 2AgNO 3(aq)  Cu(NO 3 ) 2(aq) + 2Ag (s)  copper + lead nitrate no reaction. Cu (s) + Pb(NO 3 ) 2(aq) Therefore copper must be above silver but below lead in the reactivity series.

3 Reactivity series  The reactivity series of metals is a tool used to predict products in displacement reactions  The reactivity series is a chart of metals listed in order of declining relative reactivity.

4 ElementSymbol Group Number PotassiumK1 SodiumNa1 LithiumLi1 CalciumCa2 MagnesiumMg2 AluminiumAl3 CarbonC4 (Non-Metal) ZincZnTransition Metal IronFeTransition Metal TinSn4 LeadPb4 HydrogenHNon-Metal CopperCuTransition Metal SilverAgTransition Metal GoldAuTransition Metal PlatinumPtTransition Metal The reactivity series of metals is as follows.


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