Tests for Group I Lead Ion

Lead is a chemical element with symbol Pb. It is found in lead pencil and lead acid battery. Lead is found in many salts like lead nitrate and lead acetate as lead (II) ion. In group I, lead (II) ions are precipitated as their chlorides by adding dilute hydrochloric acid to their solutions. Lead chloride solution in hot water when reacts with potassium iodide solution to form yellow precipitate of lead iodide and potassium chromate to form yellow precipitate of lead chromate.

 

This video explains how to test the presence of group I lead ion in a given salt.

 

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