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How would you determine the standard ele...

How would you determine the standard electrode potential of the system `Mg^(2+)//Mg?`

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Which defines the standard reduction electrode potential of Zn^(2+) ions?

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Knowledge Check

  • Which defines the standard reduction electrode potential of Zn^(2+) ions?

    A
    `Zn_((aq))^(2+) + 2e to Zn_((s)) , [Zn^(2+)] = 1 M`
    B
    `Zn_((g)) to Zn^(2+) + 2e , [Zn^(2+)] = 1M `
    C
    `Zn_((aq))^(2+) to Zn_((s)) + 2e , [Zn^(2+) ] = 1M `
    D
    `Zn_((g))^(2+) to Zn_((s)) - 2e , [Zn^(2+)] = 1M`

  • The standard reduction potential of Cu^(2+) // Cu and Cu^(+) // Cu are 0.337 and 0.153 V respectively . The standard electrode poetential of Cu^(2+) // Cu^(+) half cell will be

    A
    `0.184 V `
    B
    `0.827V `
    C
    `0.521 V `
    D
    `0.490V `

  • A standard hydrogen electrode has zero electrode potential because

    A
    Hydrogen is easiest to oxidise
    B
    This electrode potential is assumed to be zero
    C
    Hydrogen atom has only one electron
    D
    Hydrogen is the lightest element