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For hydrogen - oxygen fuel cell at one a...

For hydrogen - oxygen fuel cell at one atm and 298 K
` H_(2(g)) + (1)/(2)O_(2(g)) to H_2O_((l)), DeltaG^(@) = -240 kJ`
`E^(@)` for the cell approximately , (Given F = 96,500 C )

A

2.48V

B

1.24V

C

2.5V

D

1.26V

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaG^(@) = -nFE^(@)`
`-240 kJ = -2 xx 96500 xx E^(@)`
`E^(@) = (-240000)/(193000)=1.24V `
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