A displacement reaction is one in which one element of a compound is replaced by another element. For example, when a strip of Zn is placed is aqueous CuSO₄ (blue), it does not take long for the displacement reaction to form metallic copper and colourless ZnSO₄ solution. In double displacement reactions, two reacting compounds exchange their corresponding ions and form two new compounds. For example, double displacement reaction takes place when aqueous solutions of barium chloride and sodium sulphate are mixed together; barium sulphate and sodium chloride are formed.

Displacement Reaction in Chemistry, Double Displacement Reaction in Chemistry, Reactivity Series of Metals | PadhAiPro

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CASE_STUDIESDisplacement Reaction in ChemistryDouble Displacement Reaction in ChemistryReactivity Series of MetalsCBSE PYQ4 sub-questions

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