Which of the following yields an acidic solution when dissolved in water I. NO₂ II. NH₄Cl III. NaCl IV. HNO₂ A) I and IV B) II and III C) I, II, and IV D) I and III E) I, II, III, and IV

Question

Quizplus · Accepted Answer

I. $NO_2$ - Nitrogen dioxide dissolves in water to form nitric acid, hence acidic.II. $NH_4Cl$ - Ammonium chloride dissolves in water to form a weak acid (ammonium ion $NH_4^+$ can donate a proton), hence acidic.IV. $HNO_2$ - Nitrous acid, directly acidic in solution.

Which of the Following Yields an Acidic Solution When Dissolved