The Reaction
Iron(II) sulfate (FeSO₄) reacts with sodium hydroxide (NaOH) in an aqueous solution to form a green precipitate of iron(II) hydroxide (Fe(OH)₂) and a solution of sodium sulfate (Na₂SO₄).
Chemical Equation:
FeSO₄(aq) + 2NaOH(aq) → Fe(OH)₂(s) + Na₂SO₄(aq)
Explanation:
* Iron(II) sulfate (FeSO₄) is a soluble ionic compound that dissolves in water to form Fe²⁺ and SO₄²⁻ ions.
* Sodium hydroxide (NaOH) is also a soluble ionic compound that dissolves in water to form Na⁺ and OH⁻ ions.
* Iron(II) hydroxide (Fe(OH)₂) is an insoluble ionic compound that forms a green precipitate.
* Sodium sulfate (Na₂SO₄) is a soluble ionic compound that remains dissolved in the solution.
Aqueous Products:
Yes, sodium sulfate (Na₂SO₄) is the aqueous product of this reaction. It remains dissolved in the solution.
Key Points
* The reaction is a double displacement reaction.
* The formation of the precipitate (Fe(OH)₂) is a key indicator that the reaction has occurred.
* The precipitate can be separated from the solution by filtration.
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