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Reactivity series problem

  1. Feb 19, 2012 #1
    The electro chemical series in a convenient way for arranging metals. A metal's position in the electrochemical series can give info about its properties and uses.

    Use the principles for placing metals in the electrochemical series to explain the following observations

    1) copper, silver, and gold are used to make coins but magnesium sodium and calcium are not. Support your answer with a suitable ionic equation.


    I know the first part it's obviously because the metals mentioned in the first part are less reactive than Mg,Na,Ca... but I don't get the ionic equation it wants... please guide me someone.
     
  2. jcsd
  3. Feb 20, 2012 #2

    Borek

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    Staff: Mentor

    Try to write equations of reaction with water, that would be coin corroding.
     
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