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An aluminium can contains ferrous sulphate solution. It is observed that after a few days it develops holes in it. Explain the observation and write the chemical equation for it.

  • chemistry -

    Al is above Fe in the activity series which means Al is a better reducing agent than Fe. Thus Al goes into solution and Fe^2+ comes out of solution.
    2Al(s) + 3Fe^2+(aq) ==> 3Fe(s) + 2Al^3+(aq)
    You should know why I multiplied by coefficients.
    Al(s) + Fe^2+(aq) ==> Fe(s) + Al^3+(aq) is NOT balanced although it may look that way at first.

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