which reaction will most likely take place based on the activity series?\nli > k > ba > ca > na > mn > zn >…

Explanation:

Step1: Recall activity - series rule

A more reactive metal can displace a less reactive metal from its compound.

Step2: Analyze each option

• For $\text{Pt}+\text{FeCl}_3\rightarrow$: Platinum ($\text{Pt}$) is less reactive than iron ($\text{Fe}$) according to the activity - series ($\text{Fe}>\text{Pt}$), so $\text{Pt}$ cannot displace $\text{Fe}$ from $\text{FeCl}_3$.
• For $\text{Mn}+\text{CaO}\rightarrow$: Manganese ($\text{Mn}$) is less reactive than calcium ($\text{Ca}$) ($\text{Ca}>\text{Mn}$), so $\text{Mn}$ cannot displace $\text{Ca}$ from $\text{CaO}$.
• For $\text{Li}+\text{ZnCO}_3\rightarrow$: Lithium ($\text{Li}$) is more reactive than zinc ($\text{Zn}$) ($\text{Li}>\text{Zn}$), so $\text{Li}$ can displace $\text{Zn}$ from $\text{ZnCO}_3$.
• For $\text{Cu}+2\text{KNO}_3\rightarrow$: Copper ($\text{Cu}$) is less reactive than potassium ($\text{K}$) ($\text{K}>\text{Cu}$), so $\text{Cu}$ cannot displace $\text{K}$ from $\text{KNO}_3$.

Answer:

$\text{Li}+\text{ZnCO}_3\rightarrow$