Which one of the following salts,when dissolved in water,produces the solution with the most acidic pH? A)NaCl B)KCl C)MgCl₂ D)AlCl₃

Question

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When dissolved in water, aluminum chloride (AlCl3) hydrolyzes to form aluminum hydroxide (Al(OH)3) and hydrochloric acid (HCl). The presence of HCl leads to the acidity of the solution. Therefore, the solution with the most acidic pH is produced by the dissolution of AlCl3.

Which One of the Following Salts,when Dissolved in Water,produces the Solution