The Equilibrium Constant at 25 ^oC for the Following Reaction $\rightarrow$

Multiple Choice

The equilibrium constant at 25 ^oC for the following reaction is 2 x 10^-3.
H₂(g) + 2Ru³⁺(aq) $\rightarrow$ 2 H⁺(aq) + 2Ru²⁺(aq)
What is the value of E° for the reaction?

A) -0.16 V
B) 0.16 V
C) 1.00 V
D) 0.00 V
E) -0.08 V