Anion Test - Nitrate (NO3‾)Procedure : Mix H2SO4 4 M into 5 drops of NO3‾ solution (NaNO3 0.5 M) until the solution become acidic (check with litmus paper). Add 5 drops of FeSO4 0.1 M and 2 mL of 4 M H2SO4. When adding in the 4 M H2SO4, make sure the test tube in the position 45°, so that the sulfuric acid can flow through the wall of test tube and form a different layer at the bottom part of the test tube. Results : NO3- solution after adding H2SO4 becomes acidic and is checked by litmus paper and has turned into red colour. Clear solution is obtained at the bottom of the test tube. What is the Chemical equation involved and Discuss the Nitrate test?

The confirmatory test for the NO3- ion depicted here is the brown ring test. In this test FeSO4 is…

Answered: Anion Test - Nitrate (NO3‾) Procedure…

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

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Anion Test - Nitrate (NO₃^‾)

Procedure : Mix H₂SO₄ 4 M into 5 drops of NO₃^‾solution (NaNO₃ 0.5 M) until the solution become acidic (check with litmus paper). Add 5 drops of FeSO₄ 0.1 M and 2 mL of 4 M H₂SO₄. When adding in the 4 M H₂SO₄, make sure the test tube in the position 45°, so that the sulfuric acid can flow through the wall of test tube and form a different layer at the bottom part of the test tube.

Results : NO3- solution after adding H2SO4 becomes acidic and is checked by litmus paper and has turned into red colour. Clear solution is obtained at the bottom of the test tube.

What is the Chemical equation involved and Discuss the Nitrate test?

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