Question

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

A. Copper combines with silver bromide during the reaction.
B. Silver bromide breaks down to form silver and bromine.
C. Copper replaces bromine in silver bromide during the reaction.
D. No reaction would occur.
E. Copper replaces silver in silver bromide during the reaction.

Answer 1

Answer: E

Explanation: dont get C mixed up with E

Answer 2

Reaction:

Cu + AgBr --->

Given that Cu has a more marked metallic character than Ag, it is ready to react with Ag Br and replace Ag.

So, the reaction that will occur is Cu + AgBr ---> CuBr + Ag, which means that copper replaces silver in silver bromide.

Answer: option E. Copper replaces silver bromide during the reaction.