An unknown that could possibly contain any of the grp 1 cations (Hg₂2+, Ag+1, Pb+2) was treated with dilute HCI forming a white precipitate. The white precipitate was separated from the aqueous layer, then water was added and taken to its boiling point for a few seconds. This hot or boiling water was pipetted out and tested with CrO4 to give a yellow precipitate. To the remaining solid NH3 was added forming a black precipitate. The aqueous layer was treated with HNO3 to form a white precipitate. Which of the following ions are present in the mixture? O Hg₂2+ O Ag+1 OPb+2 O All three ions are present
An unknown that could possibly contain any of the grp 1 cations (Hg₂2+, Ag+1, Pb+2) was treated with dilute HCI forming a white precipitate. The white precipitate was separated from the aqueous layer, then water was added and taken to its boiling point for a few seconds. This hot or boiling water was pipetted out and tested with CrO4 to give a yellow precipitate. To the remaining solid NH3 was added forming a black precipitate. The aqueous layer was treated with HNO3 to form a white precipitate. Which of the following ions are present in the mixture? O Hg₂2+ O Ag+1 OPb+2 O All three ions are present
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter15: Complex Ion And Precipitation Equilibria
Section: Chapter Questions
Problem 68QAP
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