On the basis of the standard electrode potential velues, state whether `Ti^(4+)` species can be used to oxidise Fe(II) to Fe(III).
`Ti^(4+)+e^(-) to Ti^(3+)," "E^(@)=+0.1 V`
`Fe^(3+)+e^(-) to Fe^(2+)," "E^(@)=+0.77 V`

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Since `Ti^(4+)//Ti^(3+)` has lower `E^(@)` value, then `Fe^(3+)//Fe^(2+)`, it cannot be reduced in comparison to `Fe^(3+)//Fe^(2+)` ions. Hence, `Ti^(4+)` cannot oxidise `Fe^(2+)`to `Fe^(3+)`.

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