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Parents Pricing Home Leaving Cert Chemistry EXPERIMENTS: ALL How could you test for the presence of nitrate ions in aqueous solution?
How could you test for the presence of nitrate ions in aqueous solution? - Leaving Cert Chemistry - Question (f) - 2002 Question (f)
View full question How could you test for the presence of nitrate ions in aqueous solution?
View marking scheme Worked Solution & Example Answer:How could you test for the presence of nitrate ions in aqueous solution? - Leaving Cert Chemistry - Question (f) - 2002
Add freshly-prepared, cold, saturated iron(II) sulfate (FeSO₄) solution Only available for registered users.
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Begin by adding freshly-prepared, cold, saturated FeSO₄ solution to a clean test tube.
Carefully pour concentrated sulfuric acid (H₂SO₄) Only available for registered users.
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Next, take concentrated sulfuric acid and carefully pour it down the side of the test tube to avoid mixing the two liquids.
Observe the junction of liquids for a brown ring Only available for registered users.
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Finally, observe the junction of the two liquids in the test tube. A brown ring should form at the interface, indicating the presence of nitrate ions.
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