( b ) Which of the above equations are oxidation half -reactions ?

( b ) Which of the above equations are oxidation half -reactions ?'( C ) Give the formulas of the reactants that become oxidized in the course of the reaction .2 .Balance the following redox equations by the ion- election half- reaction method :( a ) ( acid solution ) : MnO *- + HSO ;- - Mnz * + 50 1 2 -1( b ) ( acid solution ) : UO 2 2 + + Ag ( s) + CH - U+ + + Agcl ( S)( C ) ( basic solution ) : Al ( S ) + OH- - AI ( OH ) + + H2 ( 8)( a ) Aqueous H1 2.SO 4 is subjected to electrolysis . One of the half - reactions is