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18 September, 19:56

An example of a double displacement is

A. AB-> A+B

B. AX+B - > A+BX

C. A+B - > AB

D. AX + BY - > AY + BX

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  1. 18 September, 20:21
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    D. AX + BY - > AY + BX

    Explanation:

    Double replacement:

    It is the reaction in which two compound exchange their ions and form new compounds.

    AB + CD → AC + BD

    So from given list of reactions option D is correct while others are incorrect.

    Other examples:

    The reaction between sodium chloride and silver nitrate is double displacement reaction.

    NaCl + AgNO₃ → AgCl + NaNO₃

    The anion and cations of both reactants exchange. The anion of sodium chloride (Cl⁻) combine with cation of silver nitrate (Ag⁺) and form AgCl. While Anion of silver nitrate combine with cation of sodium chloride and form sodium nitrate.
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