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WHY NICKEL WON'T REACT WITH IRON OXIDE ?

Posted on 2008-10-05
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WHY NICKEL WON'T REACT WITH IRON OXIDE?  PLEASE GIVE REASON.  THANKS.
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Question by:JohnSrinivassan
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by:chops_uk
chops_uk earned 200 total points
ID: 22643995
i believe it's because iron is not displaced by the non reactive nickel. iron's already reacted with oxygen to form the oxide. take a look at a rectivity scale of solid state metals.

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by:BigRat
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Look at the electropositivity of the metals involved.
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by:nanharbison
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ID: 22655410
your chemistry book should have a list of elements in order of reactivity, if one element is below another, it won't react, because it is less reactive.
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dhsindy earned 1400 total points
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If you look at the Periodic Table you will note that Nickel is to the right of Iron (by two squares) which makes Iron more electropositivity (like BigRat said).  This means that Iron gives up it's electrons easier than Nickel.  But, remember there maybe compounds of the same elements that are bonded differently and they may react differently.
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by:JohnSrinivassan
ID: 31503160
Hi
Thanks to everybody.
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