Caption: Animation of the precipitation of yellow lead iodide when colourless solutions of lead nitrate and potassium iodide are mixed. Lead (II) nitrate (Pb(NO3)2) and potassium iodide (KI) are both soluble in water, and exist as a solution of their constituent ions. When they are mixed, a double displacement reaction takes place, forming lead iodide (PbI2) and potassium nitrate (KNO3). Lead iodide is insoluble in cold water, and forms a tight crystal lattice rather than staying in solution, as seen in the inset here. These crystals form a thick yellow precipitate which is denser than water, and sinks.

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Keywords: animated, animation, aqueous, atom, atoms, chemical, chemistry, crystal, demonstration, displacement, double, education, educational, inorganic, ion, ionic, ions, lattice, lead iodide, lead nitrate, liquid, metathesis, mix, mixing, molecular, molecule, molecules, potassium iodide, precipitate, precipitation, process, reacting, reaction, salt, salts, solid, solution, solutions

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Lead iodide precipitating, animation

K004/8359 Rights Managed

Downloadable master

Duration: 00:00:20.04

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 556.8M


Capture format: QuickTime Animation

Codec: PNG

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