Question

define double displacement and give two chemical equations

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Answer 1

Answer:

A double-replacement reaction occurs when parts of two ionic compounds are exchanged, making two new compounds. A characteristic of a double-replacement equation is that there are two compounds as reactants and two different compounds as products.

Example:

I) CuCl 2(aq) + 2 AgNO 3(aq) → Cu(NO 3) 2(aq) + 2 AgCl(s)

II) BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2 NaCl(aq)

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Answer 2

Answer:

Double Displacememt is the chemical reaction in which the weaker element is displaced by the stronger element

For example- Fe + CuSo4 -- FeSo4+Cu

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