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Consult the table of standard electrode potentials and suggest three substances that can oxidise ferrous ions under suitable conditions.

3.3 Consult the table of standard electrode potentials and suggest three substances that can oxidise ferrous ions under suitable conditions.

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The oxidising strength of elements increases as the standard electrode potential increases.

So all the elements having greater standard potential than iron can oxidise it to a higher state.

Few such elements are :-   F2,  Cl2,  Br2,   Ag+1  etc.

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