22. For the Arrhenius equation, k = A exp(), which of the following statement is wrong? (A). The effect of catalyst is to increase the magnitude of A. (B). The pre-exponential factor A is associated with the collision frequency of reactants. (C). The activation energy can be positive or negative. (D). The pre-exponential factor A includes the steric factor of reaction. (E). exp(-/RT) represents the fraction of molecules with a kinetic energy larger than Ea.