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For which half-reaction will a 0.1 unit ...

For which half-reaction will a 0.1 unit increase in pH cause the greatest increases in half-cell potential?

A

`V^(2+)(aq) rightarrow V^(3+)(aq) + 2^(-)`

B

`VO_(3) + 2H^(+) rightarrow VO_(2)^(-) + H_(2)O`

C

`VO^(2+) + 2H^(+) + e^(-) rightarrow V_(3+) + H_(2)O`

D

`VO^(2+) + H_(2)O rightarrow VO_(2)^(+) + 2H^(+) + e^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B
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