Q.

Statement 1: Ecell should have a positive value for the cell to function.Statement 2: Ecathode 

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a

Both statements 1 and 2 are correct

b

Both statements 1 and 2 are incorrect

c

Statement 1 is correct statement 2 is incorrect

d

Statement 1 is incorrect statement 2 is correct

answer is C.

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Detailed Solution

Assertion is true but the reason is false. Feasibility of chemical reaction depends on Gibb's free energy which is related to Ecell ∘ as, ΔG∘=−nFEcell ∘When value of Ecello is positive then ∆Go becomes negative. Hence, reaction becomes feasible.Correct reason is  Ecathode >Eanode .
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