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Select the correct answer from the list given in brackets :
An aqueous electrolyte consists of the ions mentioned in the list, the ion which could be discharged most readily during electrolysis. `[Fe^(2+) , Cu^(2+), Pb^(2+) , H^(+)]`

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The correct Answer is:
`[Fe^(2+),Cu^(2+),H^(1+)]`
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