Chapter 1: Chemical reactions and equations

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Chemical reactions and equations


Give an example of a double displacement reaction other than the one given in Activity 1.10.


Double displacement reaction is defined as the chemical reactions in which two reactants exchange ions to form two new compounds. For example, when lead nitrate solution reacts with potassium iodide, a yellow precipitate of lead iodide is formed along with potassium nitrate. The chemical equation for this reaction is shown below:

Pb(NO3)2 (aq) + KI (aq) → PbI2 (s) + KNO3 (aq)

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