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3. Test for Anions Halides Sulfates Carbonates Phosphates Oxides Anion Observation

3. Test for Anions Halides Sulfates Carbonates Phosphates Oxides Anion Observation

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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B. Test for Anions 1. Test for Halides (CI-¹) a. Put 2 mL sodium chloride and potassium chloride solution in separate test tubes. b. Add 5 drops of 6M nitric acid, followed by 5 drops of silver nitrate solution. 2. Test for Sulfates (SO.²) a. Put 1 tsp of calcium sulfate solution in a test tube. b. Add 2 mL of 6M hydrochloric acid then mix. c. Add 10 drops of barium chloride solution and mix. Record your observation. 3. Test for Carbonates (CO²) a. Put 1 tsp of calcium carbonate in a test tube. b. Carefully observe the test tube as you add 2 mL of 6M hydrochloric acid. Record your observations. 4. Test for Phosphates (PO³) a. Put 1 tsp of ammonium phosphate solution in a test tube. b. Add 1 mL of 6M nitric acid and 10 drops of ammonium molybdate solution to the test tube and mix. c. Place the test tube in a boiling water and heat for 5 minutes. d. Allow the test tube to cool in a test tube rack for 10 minutes. Record your observation. 5. Test for Oxide (0²) a. Add 5 drops of 3M sulfuric acid and 5 drops of potassium thiocyanate solution to a test tube containing 1mL of calcium oxide. b. Flick gently to mix. Record your observations.
Transcribed Image Text:B. Test for Anions 1. Test for Halides (CI-¹) a. Put 2 mL sodium chloride and potassium chloride solution in separate test tubes. b. Add 5 drops of 6M nitric acid, followed by 5 drops of silver nitrate solution. 2. Test for Sulfates (SO.²) a. Put 1 tsp of calcium sulfate solution in a test tube. b. Add 2 mL of 6M hydrochloric acid then mix. c. Add 10 drops of barium chloride solution and mix. Record your observation. 3. Test for Carbonates (CO²) a. Put 1 tsp of calcium carbonate in a test tube. b. Carefully observe the test tube as you add 2 mL of 6M hydrochloric acid. Record your observations. 4. Test for Phosphates (PO³) a. Put 1 tsp of ammonium phosphate solution in a test tube. b. Add 1 mL of 6M nitric acid and 10 drops of ammonium molybdate solution to the test tube and mix. c. Place the test tube in a boiling water and heat for 5 minutes. d. Allow the test tube to cool in a test tube rack for 10 minutes. Record your observation. 5. Test for Oxide (0²) a. Add 5 drops of 3M sulfuric acid and 5 drops of potassium thiocyanate solution to a test tube containing 1mL of calcium oxide. b. Flick gently to mix. Record your observations.
3. Test for Anions Halides Sulfates Carbonates Phosphates Oxides Anion Observation
Transcribed Image Text:3. Test for Anions Halides Sulfates Carbonates Phosphates Oxides Anion Observation
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