Interaction | Reaction | Process Data Page
When iron(III) sulfate pentahydrate dissolves in water it forms the pale violet hexaaquairon(III) complex ion which is a weak Brønsted acid and will donate a proton to water. The solution will have a pH of about 3. This process is called "hydrolysis" or "acidity reaction".Even though the reaction has an equilibrium which lies to the left, the rust brown colour of the pentaaquahydroxyiron(III) complex ion will obscure the pale violet of the hexaaquairon(III) complex ion.Addition of aqueous acid will move the equilibrium to the left, and aqueous alkali will move it to the right.
|Reactant Page||Go To||Go To|
|Iron(III) sulfate pentahydrate||Reactions Using||Reactions Forming|
|Water||Reactions Using||Reactions Forming|
|Hexaaquairon(III) ion||Reactions Using||Reactions Forming|
|Sulfate ion||Reactions Using||Reactions Forming|
|Interaction, Reaction, Process defined as:|
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