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EMF

The emf of a ...

Question

The emf of a voltaic cell can be given by :

SRP of cathode

-

SRP of anode

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SRP of cathode

+

SRP of anode

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SOP of cathode

-

SOP of anode

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SOP of cathode

+

SOP of anode

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Solution

The correct option is A SRP of cathode $-$ SRP of anode
For a voltaic cell, potential difference between the two electrodes is called the cell potential (or EMF for electromotive force)

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(i) EMF of cell = (Oxidation potential of anode) - (Reduction potential of cathode) (ii) EMF of cell = (Oxidation potential of anode) + (Reduction potential of cathode) (iii)) EMF of cell = (Reductional potential of anode) + (Reduction potential of cathode) (i v)) EMF of cell = (Oxidation potential of anode) - (Oxidation potential of cathode)

(E_{c e l l}^{\circ}) =

For which of the following SOP and SRP are equal:

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