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At 298K the standard free energy of form...

At 298K the standard free energy of formation of `H_(2)O(l)` is `-256.5 kJ..mol`, while that of its ionisation to `H^(+)` & `OH^(-)` is `80 kJ//mol`. What will be emf at 298 K of the cell.
`H_(2)(g,1 bar) |H^(+)(1M) || O_(2)(g,1bar)`
Fill your answer by multiplying it with 10.

A

0.40 V

B

0.81 V

C

1.23 V

D

`-0.40V`

Text Solution

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The correct Answer is:
A
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