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For hydrogen oxygen fuel cell at atm and...

For hydrogen oxygen fuel cell at atm and 298 K
`H_(2)g+1/2O_(2)(g)rarrH_(2)O(l),triangle G^(@)=-240 KJ`
`E^(2)` for the cell is approximately (Gevien F=96500 C)

A

2.48 V

B

1.254 V

C

2.5 V

D

1.26 V

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • For hydrogen oxygen fuel cell with reaction 2H_(2)(g)+O_(2)(g) rarr 2 H_(2)O(l) DeltaG_(f)^(c-)(H_(2)O)=-237.2kJ mol^(-1) . Hence, EMF of the fuel cell is

    A
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    B
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    C
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    D
    `-1.23V`
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    A
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    B
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    C
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    D
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