Which of the following salts will produce an acidic solution when dissolved in water?
ASodium ethanoate
BPotassium chloride
CAmmonium chlorideCORRECT
DSodium carbonate
GCEChemistryAcids, Bases and Salts2021
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Why the answer is C, and why the others tempt you.
Ammonium chloride is formed from a weak base (ammonia) and a strong acid (hydrochloric acid). When dissolved in water, the ammonium ion hydrolyses to produce H⁺ ions, making the solution acidic. The other salts either produce neutral or alkaline solutions.
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