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) AgBr

Name: Which of the following compounds will be more soluble in acidic solution than in pure water? A) PbCl 2 B) FeS C) Ca(ClO 4 ) 2 D) CuI E) AgBr
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Question

Quizplus · Accepted Answer

FeS is more soluble in acidic solutions because the sulfide ion (S²⁻) reacts with H⁺ ions to form H₂S gas, which shifts the equilibrium towards dissolution.

Which of the Following Compounds Will Be More Soluble in Acidic