Respuesta :
Answer : The full balanced ionic equation will be,
[tex]2KI(aq)+Pb(NO_3)_2(aq)\rightarrow 2KNO_3(aq)+PbI_2(s)[/tex]
Reactants are lead nitrate and potassium iodide.
Products are lead iodide and potassium nitrate.
The spectator ions are, [tex]K^+,NO_3^-[/tex]
Explanation :
Complete ionic equation : In complete ionic equation, all the substance that are strong electrolyte and present in an aqueous are represented in the form of ions.
Net ionic equation : In the net ionic equations, we are not include the spectator ions in the equations.
Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.
When potassium iodide react with lead nitrate then it gives potassium nitrate and lead iodide as a product.
The full balanced ionic equation will be,
[tex]2KI(aq)+Pb(NO_3)_2(aq)\rightarrow 2KNO_3(aq)+PbI_2(s)[/tex]
The ionic equation in separated aqueous solution will be,
[tex]2K^+(aq)+2I^{-}(aq)+Pb^{2+}(aq)+2NO_3^{-}(aq)\rightarrow PbI_2(s)+2K^+(aq)+2NO_3^{-}(aq)[/tex]
In this equation, [tex]K^+\text{ and }NO_3^-[/tex] are the spectator ions.
By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.
The net ionic equation will be,
[tex]Pb^{2+}(aq)+2I^{-}(aq)\rightarrow PbI_2(s)[/tex]