Consider the following redox reaction:
AsO₄³⁻ (aq) + NO₂⁻ (aq) → AsO₂⁻ (aq) + NO₃⁻(aq) (basic)
What is the coefficient of OH⁻ and its position, when the equation is balanced using the smallest whole number coefficients?
A. 8, on the product side
B. 8, on the reactant side
C. 2, on the product side
D. 2, on the reactant side
E. 3, on the reactant side
