Displacement Reactions of Metals in Aqueous Solutions by dffhrtcv3

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									Displacement Reactions of Metals in Aqueous
Solutions


       Decreasing order of reactivity

    Magnesium, zinc, iron, copper, silver
Consider two metals magnesium and zinc.
Magnesium is higher than zinc in the metal
reactivity series. This means that magnesium loses
electrons more readily than zinc. Thus magnesium
atoms loses electrons to become magnesium ions,
while zinc ions are forced to gain electrons to
become zinc atoms. Thus magnesium displaces
zinc metal from zinc sulphate solution. On the
other hand, there is no reaction between zinc
metal and magnesium sulphate solution. Other
displacement reactions can be explained similarly.
   Cu(s) + 2Ag+(aq)  Cu2+(aq) + 2Ag(s)

 Higher
 Lower
 Salt
 More
 Less
 More
 Less

								
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