Question

what is produced during the replacement reaction of cu(no₃)₂ and zn?
○ znno₃ + cu
○ zn + cu(no₃)₂
○ zncu + 2no₃
○ zn(no₃)₂ + cu

Explanation:

Step1: Identify reaction type

Single replacement reaction: Zn replaces Cu in $\text{Cu(NO}_3\text{)}_2$.

Step2: Check metal reactivity

Zn is more reactive than Cu, so replacement occurs.

Step3: Write correct products

Zn forms $\text{Zn(NO}_3\text{)}_2$ (Zn²+ and NO₃⁻), Cu is displaced.

Answer:

Zn(NO₃)₂ + Cu