Testing for chlorides, bromides and iodides

The video tutorial explains how to test for chloride, bromide, and iodide ions in water samples. It covers the preparation of samples by dissolving unknown solids in water and acidifying with nitric acid. The addition of silver nitrate forms silver halide precipitates, each with a distinct color: white for chloride, cream for bromide, and yellow for iodide. The video also describes how to distinguish between these precipitates using dilute and concentrated ammonia. Finally, it instructs viewers to write ionic equations for the reactions and summarizes the key points.

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