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The reduction of O(2) to H(2)O in acidic...

The reduction of `O_(2)` to `H_(2)O` in acidic solution has a standard reduction potential of `+1.23V`. What is the effect on the half-cell potential of `+1.23 V`. What is the effect on the half-cell potential at `25^(@)`C when the pH of the solution is increased by one unit?
`O_(2)(g) + 4H^(+)(aq) + 4e^(-) rightarrow 2H_(2)O(l)`

A

The half-cell potential decreass by 59 mV.

B

The half-cell potential increases by 59 mV.

C

The half cell potential decreases by 236 mV.

D

The half-cell potential increases by 236 mV.

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The correct Answer is:
A
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