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When you mix solutions of lead (II) nitr...

When you mix solutions of lead (II) nitrate and potassium iodide.
(i) What is the colour of the precipitate formed ? Name the compound involved.
(ii) Write a balanced chemical equation for the reaction
(iii) Is this a double displacement reaction ?

Text Solution

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(i) The precipitate is yellow in colour. The compound is lead (II) iodide with chemical formula `PbI_(2)`.
(ii) `Pb(NO_(3))_(2)(aq) + 2KI(aq) to underset("(Yellow)")(PbI_(2)(s)) + 2KNO_(3)(aq)`
(iii) Yes, it is a double displacement reaction.
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