For each of the following half cell pairs, write a balanced redox reactions such that the reaction is written in the spontaneous direction. Add cell voltages to determine the overall potential of REDOX reaction. a) The two electron reaction involving manganese oxide with the three electron reaction involving aluminum b) The five electron reaction involving permanganate with the two electron reaction involving lead oxide and sulphate c) The two electron reaction involving chlorine with the two electron reaction involving tellurium