JKSSB Mock Tests

Below are two chemical equations: Zn(s) +CuSO4(aq) →ZnSO4(aq)+Cu(s) Pb(s) +CuCl2(aq) → PbCl2(aq)+ Cu(s) Why does copper get separated from its compound form in both the cases?

A. Zinc and Lead are unstable in element form.
B. Zinc and Lead are more reactive than Copper.
C. Copper compounds break down under high pressure.
D. Copper is more reactive than Zinc and Lead.
Answer: Option B
Solution (By JKSSB Mock Tests Team)
In the reactivity series, more active metals like zinc and lead can displace less active metals like copper from their salt solutions.
This Question Belongs to: General science Chemistry set 1
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