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Can absolute electrode potential of an e...

Can absolute electrode potential of an electrode be measured ?

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* No, only the difference in potential between two electrodes can be measured.
Absolute electrode potential could not be measured, because, only oxidation or reduction reaction can possible in one electrode. Two different electrode has oxidation-reduction reaction is possible.
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Knowledge Check

  • The difference between the electrode potential of two electrodes when no current is drawn though the cell is called _____

    A
    Cell potential
    B
    Cell emf
    C
    Potential difference
    D
    Cell voltage

  • Which cell will measure standard electrode potential of copper electrode ?

    A
    `Pt_((S))|H_(2(g,0.1" bar"))|H_((aq,1M))^(+)||Cu_((aq,1M))^(2+)|Cu`
    B
    `Pt_((S))|H_(2(g,1" bar"))|H_((aq,1M))^(+)||Cu_((aq,2M))^(2+)|Cu`
    C
    `Pt_((S))|H_(2(g,1" bar"))|H_((aq,0.1M))^(+)||Cu_((aq,1M))^(2+)|Cu`
    D
    `Pt_((S))|H_(2(g,1" bar"))|H_((aq,1M))^(+)||Cu_((aq,1M))^(2+)|Cu`

  • At 298 K temperature, how much pressure of H_(2) is required to make hydrogen electrode potential of pure water be zero ?

    A
    `10^(-12)` atm
    B
    `10^(-10)` atm
    C
    `10^(-4)` atm
    D
    `10^(-14)` atm

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