Balance the following equations by the half-cell method.Show both half-cell reactions and identify them as oxidation or reduction.
a) SO_3^2- + MnO_4^- +H^+ <- ->Mn^2+ SO_4^2- +H_2O(l)
b) Cl_2(g) + OH^- <- -> Cl^- + ClO_3^- +H_2O(l)
c) SO_4^2- +I^- +H+ <- -> S^2- + I_2(s) + H_2O (l)
I...