15. Which one is not correct about standard electrode potential, E0 ? (A) E0 is a relative reduction potential (B) The reactants and products are at unit activity (C) E0 is dependent of the number of moles of reactant and product shown in the balanced half-reaction (D) A positive electrode potential indicates that the half-reaction is spontaneous with respect to the standard hydrogen electrode half-reaction (E) E0 is temperature dependent