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.



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक