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Q.

$E^{o} for F_{2} + 2 e \to 2 F^{-} is 2 .8 V, E^{o} for \frac{1}{2} F_{2} + e \to F^{-} is$

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a

1.4 V

b

2.8 V

c

- 1.4 V

d

- 2.8 V

answer is A.

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Detailed Solution

$E^{o}$ is intensive property and it does not depend on mass of $F_{2}$ taking part.

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Eo for F2+2e→2F− is 2.8 V, Eo for 12F2+e→F− is