Q.

Ecello=1.1 Vfor Daniell cell. Which of the following expressions are correct description of state of equilibrium in this cell?

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a

1.1 = Kc

b

2.303RT2Flog KC=1.1

c

log KC=2.20.059

d

log KC=1.1

answer is B.

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Detailed Solution

At state of equilibrium, ΔG=−RT ln K−nFE∘=−RT2.303log⁡KCE∘=+RT 2.303log KC+2F      (n=2 for Daniell cell) ∵ At equilibrium E∘=1.1∴2.303RT2Flog KC=1.1⇒log KC=2.20.059     [on solving]
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