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Agt Pb²+ Hg₂²+ 3) Consider that a lab team has been performing the same Group I analysis as is described in the procedure section. Their original solution may contain from none to all three of the metal ions. They have made the following observations so far. A white precipitate formed when 6 M HCI was first added. Some of this precipitate appeared to dissolve when water was added and heated. The liquid phase was poured off and K₂CrO4 was added yielding a yellow precipitate. Returning to the previous precipitate remainder, 6 M NH3 was added to the solid dissolving it without residue. At this point, classify each of the Group I ions as confirmed, probable, or absent. You may want to first think about what the difference between confirmed and probable may be!

Agt Pb²+ Hg₂²+ 3) Consider that a lab team has been performing the same Group I analysis as is described in the procedure section. Their original solution may contain from none to all three of the metal ions. They have made the following observations so far. A white precipitate formed when 6 M HCI was first added. Some of this precipitate appeared to dissolve when water was added and heated. The liquid phase was poured off and K₂CrO4 was added yielding a yellow precipitate. Returning to the previous precipitate remainder, 6 M NH3 was added to the solid dissolving it without residue. At this point, classify each of the Group I ions as confirmed, probable, or absent. You may want to first think about what the difference between confirmed and probable may be!

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 112IL
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Ag+ Pb2+ Hg₂²+ 3) Consider that a lab team has been performing the same Group I analysis as is described in the procedure section. Their original solution may contain from none to all three of the metal ions. They have made the following observations so far. A white precipitate formed when 6 M HCI was first added. Some of this precipitate appeared to dissolve when water was added and heated. The liquid phase was poured off and K₂CrO4 was added yielding a yellow precipitate. Returning to the previous precipitate remainder, 6 M NH3 was added to the solid dissolving it without residue. At this point, classify each of the Group I ions as confirmed, probable, or absent. You may want to first think about what the difference between confirmed and probable may be!
Transcribed Image Text:Ag+ Pb2+ Hg₂²+ 3) Consider that a lab team has been performing the same Group I analysis as is described in the procedure section. Their original solution may contain from none to all three of the metal ions. They have made the following observations so far. A white precipitate formed when 6 M HCI was first added. Some of this precipitate appeared to dissolve when water was added and heated. The liquid phase was poured off and K₂CrO4 was added yielding a yellow precipitate. Returning to the previous precipitate remainder, 6 M NH3 was added to the solid dissolving it without residue. At this point, classify each of the Group I ions as confirmed, probable, or absent. You may want to first think about what the difference between confirmed and probable may be!
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