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Give an example of a double displacement reaction other than the one given in Activity 8. |
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Answer» Solution :`underset("nitrate")underset("Lead")(Pb(NO_(3))_(2)(aq))+underset("iodide")underset("Potassium")(2KI(aq))tounderset("iodide")underset("Lead")(PbI_(2)(s))+underset("nitrate")underset("Potassium")(2KNO_(3)(aq))` When we aqueous solutions of lead nitrate, `Pb(NO_(3))_(2)` and potassium iodide, KI, we obtain a precipiate of lead iodide and a solution of potassium nitrate. In this reaction, the CATIONS, `Pb^(2+)` and `K^(+)` EXCHANGE their anions, `NO_(3)^(-)` and `I^(-)` to GIVE the new substances `PbI_(2)` and `KNO_(3)`. |
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