Consider the Following Reaction $$A \underset { k _ { 2 } } { \stackrel { k _ { 1 } } { \rightleftarrows } } B + e ^ { - }$$

Consider the following reaction $$A \underset { k _ { 2 } } { \stackrel { k _ { 1 } } { \rightleftarrows } } B + e ^ { - }$$
. The concentration of A and B in bulk solution are equal. When a negative dc bias is applied (vs. OCP) , under steady-state conditions, on the surface,

A) C_A > C_B,
B) C_A < C_B
C) C_A = C_B
D) it could be any of the above depending on kinetic parameter values.

Correct Answer:

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