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EMF of a cell in terms of reduction pote...

EMF of a cell in terms of reduction potential of its left and right electrodes is

A

`E = E_("left")-E_("right")`

B

`E = E_("left") + E_("right")`

C

`E = E_("right") -E_("left")`

D

`E = - (E_("right") + E_("left"))`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The reduction potential of hdrogen electrode at pH 10 is

    A
    `-0.059` V
    B
    `-0.59V`
    C
    `0.59V`
    D
    `0.0V`

  • The potential of single electrode depends upon

    A
    the nature of the electrode
    B
    temperature
    C
    concentration of the ion with respect to which it is reversible
    D
    all the above

  • The electrode potential of an electrode is

    A
    The potential applied to the electrode
    B
    The ionization potential of the material of the electrode
    C
    The tendency of the electrode to loose or gain electrons when it is in contact with its ions
    D
    The potential energy of the electrons in an electrode.

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    If phi denotes reduction potential, then which is true ?

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    E^@Cu^(2+)//Cu is + 0.34V At which one of the following concentrations of Cu^(2+) , reduction potential of copper electrode becomes zero

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