Suppose you have a solution that might contain any or all of the following catio

Question

Suppose you have a solution that might contain any or all of the following cations: Cu^2+, Ag^+, Ba^2+, and Mn^2+. The addition of HBr causes a precipitate to form. After the precipitate is separated by filtration, H_2SO_4 is added to the supernatant liquid, and another precipitate forms. This precipitate is separated by filtration, and a solution of NaOH is added to the supernatant liquid until it is strongly alkaline. No precipitate is formed. Which ions are present in each of the precipitates? Which cations are not present in the original solution?

Explanation / Answer

Answer:-

When the solution is treated with HBr , Ag+ is precipitated as AgBr

Again when H2SO4 is added to supernatant Ba2+ is precipitated as BaSO4.

So, Ag+ and  Ba2+ are precipitated.

Cu2+ and Mn2+ are not present in original solution

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.