(i) State the observation when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube? (ii) What type of reaction is this? (iii) Write a balanced chemical equation to represent the above reaction.
(a) When you have mixed the solutions of lead(II) nitrate and potassium iodide, (i) what was the colour of the precipitate formed and can you name the precipitate? (ii) write the balanced chemical equation for this reaction. (b) What is the difference between displacement and double displacement reactions? Write equations for these reactions.