Question

Which of the following half-reactions is correctly balanced in an acidic solution?

a.) 3IO₃^-(aq) + 18 H⁺ + 16 e^- ----> I₃^- + 9 H₂O

b.) 3IO₃^-(aq) + 12 H⁺ + 10 e^- ----> I₃^- + 3 H₂O

c.) IO₃^-(aq) + 6 H⁺ + 4 e^- ----> I₃^- + 3 H₂O

d.) 3IO₃^-(aq) + 16 H⁺ + 18 e^- ----> 3I₃^- + 9 H₂O