In a qualitative cation analysis,the unknown ion is not precipitated by HCl or H₂S,but is precipitated by CO₃^2-.The unknown ion is ________. A)Ag⁺ B)Mn²⁺ C)Ca²⁺ D)K⁺ E)Al³⁺

Question

Quizplus · Accepted Answer

Calcium ions (Ca²⁺) are not precipitated by HCl or H₂S, but they form a precipitate with carbonate ions (CO₃^2-) as calcium carbonate (CaCO₃).

In a Qualitative Cation Analysis,the Unknown Ion Is Not Precipitated