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For which half-reaction will a 1.0 unit increase in pH cause the greatest increase in half-cell pote — Electrochemistry Chemistry Question

Question

For which half-reaction will a 1.0 unit increase in pH cause the greatest increase in half-cell potential?

A.

V2+(aq) → V3+(aq) + e–

B.

VO3– + 2H+ → VO2+ + H2O

C.

VO2+ + 2H+ + e– → V3+ + H2O

D.

VO2+ + H2O → VO2+ + 2H+ + e–

✓ Correct
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