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(i) What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube?

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+1 vote
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asked Jan 9, 2018 in Chemistry by sforrest072 (157,439 points) ● 60 ● 409 ● 934
edited Jan 24, 2018 by Vikash Kumar

(i) What is observed 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.

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+1 vote
answered Jan 9, 2018 by faiz (82,347 points) ● 6 ● 6 ● 11
selected Jan 24, 2018 by Vikash Kumar
 
Best answer

(i) A yellow precipitate of lead iodide (PbI2) is formed.
(ii) Precipitation reaction/Double displacement reaction.
(iii) Pb(NO3)2(aq) + 2KI(aq) ------> PbI2(s) +   2KNO3 (aq)
Lead nitrate           Potassium iodide    Lead iodide     Potassium nitrate

                                                              (Yellow ppt.)     

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