Consider the Following Elementary Reaction $$M \underset { k _ { - 1 } } { \stackrel { k _ { 1 } } { \rightleftarrows } }M _ { s ol } ^ { 2 + } + 2 e ^ { - }$$

Consider the following elementary reaction $$M \underset { k _ { - 1 } } { \stackrel { k _ { 1 } } { \rightleftarrows } }M _ { s ol } ^ { 2 + } + 2 e ^ { - }$$

where M is metal and
$$M _ { \text {sol } } ^ { 2 + }$$
is metal ion in solution, F denotes Faraday constant. The net faradaic current density due to metal dissolution is

A) $$2 F \left( k _ { 1 } \left[ M _ { s d } ^ { + } \right] - k _ { - 1 } \right)$$
B) $$2 F \left\{ k _ { 1 } - k _ { - 1 } \left[ M _ { s o l } ^ { 2 + } \right] \right\}$$
C) $$F \left\{ k _ { 1 } - k _ { - 1 } \left[ M _ { s o l } ^ { 2 + } \right] \right\}$$
D) $$2 F \left\{ k _ { 1 } + k _ { - 1 } \left[ M _ { s o l } ^ { 2 + } \right] \right\}$$

Correct Answer:

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