Lead (2) iodide is an insoluble salt
What method can be used to prepare it
One method to prepare lead (2) iodide would be to mix solutions of lead (2) nitrate and potassium iodide, which would result in the precipitation of lead (2) iodide. The reaction can be represented as follows:
Pb(NO3)2 + 2KI → PbI2 + 2KNO3
The insoluble lead (2) iodide would then be collected by filtration and washed to remove any remaining soluble impurities.
Lead (II) iodide (PbI2) is an insoluble salt. Here is a step-by-step method to prepare it:
1. Start by preparing a solution of lead (II) nitrate (Pb(NO3)2) by dissolving lead (II) nitrate powder in water. Ensure that lead (II) nitrate is completely dissolved.
2. In a separate container, prepare a solution of potassium iodide (KI) by dissolving potassium iodide powder in water. Again, ensure that potassium iodide is completely dissolved.
3. Now, mix the two solutions together. Slowly add the lead (II) nitrate solution to the potassium iodide solution while stirring continuously.
4. As you mix the solutions, a yellow precipitate of lead (II) iodide will form. This is the desired insoluble salt.
5. Continue stirring the mixture for a few more minutes to ensure complete precipitation.
6. Once the precipitation is complete, allow the mixture to settle. The lead (II) iodide will settle at the bottom.
7. Carefully decant or filter off the liquid portion from the settled precipitate.
8. Wash the precipitate with distilled water to remove any impurities and residual chemicals.
9. Finally, allow the washed precipitate to dry completely. You can speed up the drying process by using gentle heat or leaving it in a well-ventilated area.
After following these steps, you should have successfully prepared lead (II) iodide, an insoluble salt.