Answer: The chemical equation is written below.
Step-by-step explanation:
Single displacement reaction is defined as the reaction in which more reactive element displaces a less reactive element from its chemical reaction.
The reactivity of metal is determined by a series known as reactivity series. The metals lying above in the series are more reactive than the metals which lie below in the series.
![A+BC\rightarrow AC+B](https://img.qammunity.org/2020/formulas/chemistry/middle-school/aswz2nc55rnmbjnab2hgt0k23mj72j90u8.png)
When lead nitrate is reacted with zinc metal, it leads to the formation of zinc nitrate and solid lead.
The chemical equation for the above reaction follows:
![Pb(NO_3)_2(aq.)+Zn(s)\rightarrow Zn(NO_3)_2(aq.)+Pb(s)](https://img.qammunity.org/2020/formulas/chemistry/middle-school/q2s07lf1f7xit4tnwj57snr1udkap8563p.png)
As, zinc lies above in the reactivity series than lead, so it will easily displace lead from its chemical reaction.
Hence, the chemical equation is written above.