Respuesta :

Non of these elements in the mixture will react with Zinc chloride (ZnCl2).
 This is because; silver, lead and iron are below zinc in the reactivity series and therefore, non of these metals can displace Zinc from is salt (zinc chloride).
Metals higher in the reactivity series have the ability to displace less reactive metals from their salts. 
kenmyna
 none  of these metals that is ( Ag, Pb and Fe ) reacted  with ZnCl2

this is because   the  reaction of the metal  with  metal compound depend reactivity of the metal  in the  reactivity series.
  
In the reactivity  series Zn  is of  higher   reactivity as  compared to Ag, Pb and   Fe,Therefore Ag,Pb,Fe  cannot  displace Zn  from its compound.

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