Redox Reactions And Electrochemistry Ques 15
Question: Mark the false statement [MP PET 1997]
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^{o}-\frac{RT}{nF},\ln ,{a_{{M^{n+}}}} $
D) The efficiency of a hydrogen oxygen fuel cell is 23%
Show Answer
Answer:
Correct Answer: D
Solution:
Practically only 60-70% efficiency has been attained.