Respuesta :

Among the elements listed, Cu could replace all of the rest in a single replacement reaction.

What is single placement reaction?

The reaction which replaces an ion from a compound in an aqueous solution is called single placement reaction.

The reaction is of the form, A +BX ⇆ AX + B

Thus, Cu or copper is the element which could replace all of the rest in a single replacement reaction.

Learn more about single placement reaction.

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