Redox Reactions And Electrochemistry Question 519
Question: Mark the false statement-
Options:
A) A salt bridge is used to eliminate liquid junction potential
B) The Gibbs free energy change, $ \Delta G $ is related with electromotive force E as $ \Delta G=-nFE $
C) Nernst equation for single electrode potential is $ E=E{}^\circ -\frac{RT}{nF}log{a_{{M^{n+}}}} $
D) The efficiency of a hydrogen-oxygen fuel cell is 23%
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Answer:
Correct Answer: C
Solution:
[c] Correct Nernst equation is $ E=E{}^\circ +\frac{2.303,RT}{nF}\log {a_{{M^{n+}}}}. $
BETA
