Metals with Water|
Metals with Cations
Nonmetals with Anions
Spontaneous Electron Transfer
In this section we will deal with spontaneous redox reactions. These reactions do not
have to be forced by passing an electric current through the chemicals.
Let's review some examples of spontaneous redox reactions.
|Na + water:
This is a quick reaction in which sodium skitters around on the surface of the water.
|K + water:
This is a quick reaction in which potassium skitters around on the surface of the water
and generally ignites while doing so.
|Fe + water:
This reaction, which results in rust or corrosion, is a slow reaction (although it may
seem quite fast if it is your favorite hammer that got left out on the lawn).
When you observed some of those reactions in the previous course (CH 104), we talked
about them in terms of the sodium and potassium (and calcium and magnesium) losing
electrons. Did you happen to ask or wonder where those electrons went?
At that time it wasn't important. Now we will start considering that type of thing.
In the pages of this section we will consider the spontaneous reactions of
|metals with water, |
|metals with cations, and|
|nonmetals with anions.|
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