Which one of these salts will form an acidic solution upon dissolving in water A) LiBr B) NaF C) NH₄Br D) KOH E) NaCN

Question

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NH₄Br is a salt of a weak base (NH₃) and a strong acid (HBr). When it dissolves in water, the NH₃ will react with water to form NH₄⁺ and OH^- ions. The OH^- ions will then react with the HBr to form H₂O and Br^- ions. The net effect of these reactions is to produce an acidic solution.

Which One of These Salts Will Form an Acidic Solution