Consider the following relations for emf of an electrochemical cell (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) (iv) EMF of cell = (Oxidation potential of anode) $-$ (Oxidation potential of cathode) Which of the above relations are correct?

Question

Consider the following relations for emf of an electrochemical cell
(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)
(iv) EMF of cell = (Oxidation potential of anode) $-$ (Oxidation potential of cathode)

Which of the above relations are correct?

(iii) and (i)

(i) and (ii)

(iii) and (iv)

(ii) and (iv)

Solution

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