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 reduces the concentration of sulfide ions and shifts the equilibrium towards dissolution.

Which of the Following Compounds Will Be More Soluble in Acidic