heating is necessary for dry test of nitrate anion,why?
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8
Answer:
This is because:
in this testing the nitrate ion taken can be identified by heating with copper turnings in the presence of Sulfuric acid.
Answered by
1
Answer:
Heating is necessary for dry test of nitrate anion,because in this testing the nitrate ion taken can be identified by heating with copper turnings in the presence of Sulfuric acid.
Explanation:
- A nitrate test is a chemical test used to determine the presence of nitrate ion in solution. Testing for the presence of nitrate via wet chemistry is generally difficult compared with testing for other anions, as almost all nitrates are soluble in water. In contrast, many common ions give insoluble salts, e.g. halides precipitate with silver, and sulfate precipitate with barium.
- The nitrate anion is an oxidizer, and many tests for the nitrate anion are based on this property. Unfortunately, other oxidants present in the analyte may interfere and give erroneous results.
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