Question

Which statement is true for the given single-replacement reaction?
Cu + AgBr



Copper combines with silver bromide during the reaction.



Silver bromide breaks down to form silver and bromine.



Copper replaces bromine in silver bromide during the reaction.



No reaction would occur.



Copper replaces silver in silver bromide during the reaction.

Answer 1

What are your initial thoughts?

Answer 2

First see if those elements are anion or cation. In the single-displacement, Cu will bind with Ag. Thus CuAg +Br. So third one is your answer