How to predict this redox reaction?

A lead strip is placed in a copper (ll) sulfate solution

1 Answer

  • ?
    Lv 7
    7 years ago
    Favorite Answer

    You would predict that

    Pb(s) + Cu2+(aq) --> Cu(s) + Pb2+(aq)

    because lead is higher in the electrochemical series than copper.

    BUT PbSO4, which is insoluble would form a protective coating and stop the reaction.

    Pb2+(aq) + SO4 2-(aq) --> PbSO4(s)

    Source(s): rtc
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