Which of the following compounds will be more soluble in acidic solution than in pure water? A) PbCl₂ B) FeS C) Ca(ClO₄)₂ D) CuI E) None of the above will be more soluble in acidic solution.

Question

Quizplus · Accepted Answer

FeS is more soluble in acidic solution because the sulfide ion (S^2-) reacts with H^+ ions to form H2S gas, which shifts the equilibrium and increases solubility.

Which of the Following Compounds Will Be More Soluble in Acidic