Why the copper is able to replace the silver, but the reverse reaction will not result in a replacement reaction?
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Question:
Why the copper is able to replace the silver, but the reverse reaction will not result in a replacement reaction?
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Answer: hope this helps Explanation: A single-replacement reaction is a reaction in which one element replaces a similar element in a compound. The general form of a single-replacement (also called single-displacement) reaction is:A+BC \rightarrow AC+BIn this general reaction, element Ais a metal and replaces element B, also a metal, in the compound. When the element that is doing the replacing is a nonmetal, it must replace another nonmetal in a compound, and the general equation becomes:Y+XZ \rightarrow XY+ZYis a nonmetal and replaces the nonmetal Zin the compound with X.Metal ReplacementMagnesium is a more reactive metal than copper. When a strip of magnesium metal is placed in an aqueous solution of copper(II) nitrate, it replaces the copper. The products of the reaction are aqueous magnesium nitrate and solid copper metal.\text{Mg}(s)+\text{Cu(NO}_3)_2(aq) \rightarrow \text{Mg(NO}_3)_2 (aq) + \text{Cu}(s)This subcategory of single-replacement reactions is called a metal replacement reaction because it is a metal that is being replaced (copper).
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