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∘=−RT2.303logKCE∘=+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]