Nickel metal is added to a solution containing 1.0 M Pb²⁺(aq) and 1.0 M Cd²⁺(aq). Use the standard reduction potentials to determine which reaction(s) will occur.
Reaction 1 Ni(s) + Pb²⁺(aq) → Pb(s) + Ni²⁺(aq)
Reaction 2 Ni(s) + Cd²⁺(aq) → Cd(s) + Ni²⁺(aq)

Question

Nickel metal is added to a solution containing 1.0 M  Pb2+(aq) and 1.0 M Cd2+(aq). Use the standard reduction potentials to determine  which reaction(s) will occur.
Reaction 1 Ni(s) + Pb2+(aq) → Pb(s) +  Ni2+(aq)
Reaction 2 Ni(s) + Cd2+(aq) → Cd(s) + Ni2+(aq)

Accepted Answer

Correct answer: A.

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