Standard free energies of formation (in kJ/mol) at 298 K ar $e^{-237}$ .2, -394.4 an $d^{-8}$ .2 for H₂O(l), CO₂(g) and pentane(g) respectively The value of E°cell for the pentane-oxygen fuel cell is:
A
1.0968 V
B
0.0968 V
C
1.968 V
D
2.0968 V

Question

Standard free energies of formation (in kJ/mol) at 298 K are^{-237}.2, -394.4 and^{-8}.2 for H₂O(l), CO₂(g) and pentane(g) respectively The value of E°cell for the pentane-oxygen fuel cell is:

Accepted Answer

1.0968 V

Answer

0.0968 V

Answer

1.968 V

Answer

2.0968 V

AIPMT PRELIMS 2008 Chemistry Fuel Cells MCQ Question

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