Question

A redox reaction will be feasible if

EMF of the cell is +ive
EMF of the cell is -ive
EMF of the cell is zero
none of these​

Answer 1

Answer:

A redox reaction is feasible only if the species which has higher potential is reduced i.e., accepts the electrons and the species which has lower reduction potential is oxidized i.e., loses electrons. Therefore, silver will be reduced and copper will be oxidized and the above reaction is not feasible

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Answer 2

As the Gibbs free energy should be negative for a reaction to be feasible
And
Delta(G) = -nFE
Here , E means Emf
Thus emf must be positive


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