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Methods of separating and purifying substances

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Question 5

An aqueous solution of lead(II) nitrate is reacted completely with an aqueous solution of potassium iodide.

The resulting mixture contains a brilliant yellow precipitate of lead(II) iodide suspended in a solution of potassium nitrate.

Describe how to obtain:

  • a pure, dry sample of solid lead(II) iodide from the mixture
  • a pure, dry sample of potassium nitrate crystals from the mixture
[4]

Methods of separating and purifying substances Questions

  1. GCSE
  2. /Chemistry
  3. /Methods of separating and purifying substances