Final answer:
Option A, "In the single replacement reaction, copper displaces silver in silver nitrate, resulting in copper nitrate and silver," is the correct answer.
Step-by-step explanation:
The correct answer is option A: "In the single replacement reaction, copper displaces silver in silver nitrate, resulting in copper nitrate and silver."
In this reaction, a more reactive metal, copper, displaces a less reactive metal, silver, in a solution of silver nitrate. This type of reaction is known as a single replacement reaction.
The balanced chemical equation for this reaction is Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s).