AIPMT PRELIMS2007Chemistry-Electrochemistry
AIPMT PRELIMS 2007 Chemistry Fuel Cells MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The efficiency of a fuel cell is given by
A
ΔG/ΔS
B
ΔG/ΔH
C
ΔS/ΔG
D
ΔH/ΔG
Correct Answer
Option B
Detailed Explanation
The efficiency of a fuel cell is given by the ratio of Gibbs free energy change to enthalpy change, ΔG/ΔH, which represents the maximum work obtainable from the cell.
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