Balance the following half reactions carried out in acidic solutions:

a$.I^{-}(aq)+Cl{O}^{-}(aq)I_3^{-}(aq)+C{l}^{-}(aq)$

b$.M{n}^{2+}(aq)+NaBi{O}_3(s)B{i}^{3+}(aq)+Mn{O}_4^{-}(aq)$