C3.3 - Anion Detection

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  • Created by: Chris
  • Created on: 19-05-10 17:19

Anions are negatively charged ions. They can be detecting in solution.

You can:

Add acidified silver nitrate, this is used to remove any, carbonate, sulphite or hydrogen ions present as they also produce a precipitate with silver nitrate. With this the halides form:

A white precipitate when Chloride ions are present.

A cream precipitate when Bromide ions are present.

A yellow precipitate when Iodide ions are present.


The ‘pH’ test will show up alkaline when Hydroxide ions are…


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