Why is dilute nitric acid added to test for chloride

1.	Why is dilute nitric acid added to test for chloride
Answer» Answer: EXPLAIN why, in a test for halide ions, the SAMPLE is acidified with dilute nitric acid first. Carbonate ions also produce a white precipitate with silver nitrate SOLUTION. The acid reacts with any carbonate ions present. This removes them, so stopping them giving an INCORRECT POSITIVE result for chloride ions.

Answer»

Answer:

EXPLAIN why, in a test for halide ions, the SAMPLE is acidified with dilute nitric acid first. Carbonate ions also produce a white precipitate with silver nitrate SOLUTION.

The acid reacts with any carbonate ions present. This removes them, so stopping them giving an INCORRECT POSITIVE result for chloride ions.

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Why is dilute nitric acid added to test for chloride

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