Complete and Balance the Following Redox Equation Using the Set $\rarr$

Multiple Choice

Complete and balance the following redox equation using the set of smallest whole-number coefficients. Now sum the coefficients of all species in the balanced equation. (Remember the coefficients that are equal to one.) The sum of the coefficients is BrO₃^-(aq) + Sb³⁺(aq) $\rarr$ Br^-(aq) + Sb⁵⁺(aq) (acidic solution)

A) 4.
B) 12.
C) 13.
D) 17.
E) None of these.