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Question

Lead nitrate reacts with potassium iodide to form a yellow precipitate of.

A
PbI2
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B
KNO3
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C
PbIO3
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Solution

The correct option is A PbI2
The reaction between lead nitrate and potassium iodide is a type of precipitation and double displacement reaction. The lead nitrate [Pb(NO3)2] reacts with potassium iodide (Kl) causing an exchange of ions between the reactants and leading to the formation of potassium nitrate (KNO3) and a yellow precipitate of lead iodide (PbI2). The reaction involved is given below:

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