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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![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
2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1fa60c78-9fb4-4e0c-b7cf-c42e4b87eac4%2F21ff0252-e5f4-4bea-9819-6ef03b09717c%2F8lb2nlu_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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
2
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