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← ScienceWhich mechanism causes elevated acidity when dissolved ferrous sulfate interacts?
A)Hydrolysis of hydrated iron ions✓
B)Protonation of sulfate substituents
C)Reduction of ferrous to ferric
D)Oxidation by dissolved molecular oxygen
💡 Explanation
Hydrolysis of solvated iron releases protons, reducing pH, because water molecules coordinate with the Fe2+ ion. Therefore acidity increases, rather than remaining neutral, because oxygen reduction or sulfate reactions influence concentration slightly.
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