What occurs when lead nitrate is mixed with potassium iodide?


Quick Answer

When lead nitrate reacts with potassium iodides the resulting products are lead iodide and potassium nitrate.

The balanced chemical equation is Pb(NO3)2 + 2KI produces PbI2 + 2K(NO)3. In chemistry, this is called a double replacement reaction.

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Full Answer

Lead nitrate and potassium iodide, which are the reactants, are powders that react to form a yellow-colored lead iodide and a colorless potassium nitrate. As a chemistry demonstration, it involves adding equal amounts of the reactants to a flask, placing a stopper on it, and then shaking the flask until the color change to yellow is observed.

Lead iodide is toxic because it contains lead. It was used once in paint pigment. Potassium nitrate is odorless, and it has a molecular weight of 101.1032 grams per mole.

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