objective: to study the double displacement reaction when potassium iodide is added to lead nitrate solution......kindly complete the experiment!!!!!
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The lead nitrate solution contains particles (ions) of lead, and the potassium iodide solution contains particles of iodide. When the solutions mix, the lead particles and iodide particles combine and create two new compounds, a yellow solid called lead iodide and a white solid called potassium nitrate.
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Explanation:
When Potassium Iodate is added to lead nitrate a yellow precipitate is formed and the test tube becomes warm . It forms Potassium Nitrate and Lead Iodide (yellow precipitate). This fits 2 criteria of chemical changes, change in temperature and formation of precipitate.
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