What reaction type can be used to describe this reaction?

Cu(s) + 2 AgNO3(aq) → 2 Ag(s) + Cu(NO3)2

Question

What reaction type can be used to describe this reaction?

Cu(s) + 2 AgNO3(aq) → 2 Ag(s) + Cu(NO3)2

BlackTom AI · Accepted Answer

Consider the chemical equation: Cu(s) + 2 AgNO3(aq) → 2 Ag(s) + Cu(NO3)2.
Option 1: decomposition. A decomposition reaction would involve a single compound breaking down into two or more simpler substances. Here, we start with two species (Cu(s) and AgNO3(aq)) and end with two different substances (Ag(s) and Cu(NO3)2), so this is not a decomposition.
Option 2: single displacement. In a single displacement (also called single replacement) reaction, a more reactive element displaces a less reactive element from a compound. Here copper metal (Cu) displaces silver from silver nitrate (AgNO3), yielding solid silver and copper nitrate. This matches the characteristic pattern of a single displacement reaction.
Option 3: combination. A combination (synthesis) reaction involves two or more substances combining to form a single product. The given equation produces two products, not a single product, so it is not a synthesis.
Option 4: double displacement. A double displacement (metathesis) reaction involves an exchange of ions between two reacting compounds, typically producing two new ionic compounds. In this case, the reaction involves a metal replacing another metal rather than an ion exchange between two neutral compounds, so it does not fit the typical double displacement framework.
Option 5: combustion. Combustion requires a fuel reacting with an oxidizer to produce typically CO2 and H2O (for hydrocarbon fuels). The reaction shown does not involve burning in oxygen, so it is not combustion.
In summary, the process aligns with a single displacement mechanism where Cu displaces Ag from AgNO3, leading to Ag(s) and Cu(NO3)2. The other options describe different reaction types that do not fit the observed rearrangement of species in this equation.

CHEM 110 Section 3 (PM) SP25 Pre-Lecture Quiz 37 C15-1-2

What reaction type can be used to describe this reaction? Cu(s) + 2 AgNO3(aq) → 2 Ag(s) + Cu(NO3)2

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