29 Jul Observations Name Test Tube 1 w/HCl Test Tube 2 w/AgNO3 W/ HNO3 Test Tube 3 Confirmation Bromide Carbonate Chloride Iodine Phosphate Sulfate Sulfide Unknown 20 points Questions Classify you
Observations Name Test Tube 1 w/HCl Test Tube 2 w/AgNO3 W/ HNO3 Test Tube 3 Confirmation Bromide Carbonate Chloride Iodine Phosphate Sulfate Sulfide Unknown 20 points Questions Classify your ions according to the following three groups. Several of the cations belong to more than one group. (10 points each group) Group 1: Anions that will not precipitate in the presence of silver nitrate. Group 2: Anions that will precipitate in the presence of silver nitrate and the resulting precipitates will dissolve upon acidification with nitric acid. Group 3: Anions that will precipitate in the presence of silver nitrate and the resulting precipitates will not dissolve upon acidification with nitric acid. A. Write a net ionic equation for any reaction that produces a precipitate. (20 points) B. Identify the anions that produce gas upon addition of HCl. (5 points) C. Identify the anions that do not precipitate with silver nitrate. (5 points) D. Identify the anions that react with silver nitrate to form precipitates that dissolve when acidified with nitric acid. (5 points) E. Identify the anions that react with silver nitrate to form precipitates that do not dissolve when acidified with nitric acid. (5 points) F. What simple test (other than a specific confirmation test) would distinguish between CO32- and NO3 -? (10 points)
Observations Name Test Tube 1 w/HCl Test Tube 2 w/AgNO3 W/ HNO3 Test Tube 3 Confirmation Bromide Carbonate Chloride Iodine Phosphate Sulfate Sulfide Unknown 20 points Questions Classify your ions according to the following three groups. Several of the cations belong to more than one group. (10 points each group) Group 1: Anions that will not precipitate in the presence of silver nitrate. Group 2: Anions that will precipitate in the presence of silver nitrate and the resulting precipitates will dissolve upon acidification with nitric acid. Group 3: Anions that will precipitate in the presence of silver nitrate and the resulting precipitates will not dissolve upon acidification with nitric acid. A. Write a net ionic equation for any reaction that produces a precipitate. (20 points) B. Identify the anions that produce gas upon addition of HCl. (5 points) C. Identify the anions that do not precipitate with silver nitrate. (5 points) D. Identify the anions that react with silver nitrate to form precipitates that dissolve when acidified with nitric acid. (5 points) E. Identify the anions that react with silver nitrate to form precipitates that do not dissolve when acidified with nitric acid. (5 points) F. What simple test (other than a specific confirmation test) would distinguish between CO32- and NO3 -? (10 points)
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