Here is the equation for the reaction of HCl with the pink cobalt hydrate.
+ 4 Cl- 
+ 6 H2O
Co(H2O)62+
CoCl42-
Here is the equation for the reaction of HCl with the pink cobalt hydrate. |
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+ 4 Cl- |
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+ 6 H2O |
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Co(H2O)62+ |
CoCl42- |
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The blue ion formed upon addition of HCl has a tetrahedral structure.
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In the next section we will look at the interconversion of the pink and blue forms.
