The mechanism of a chemical reaction in the presence and absence of a catalyst-

Options

A. remains the same, but in the presence of a catalyst, the energy of activation of a reaction is low
B. is different and in the presence of a catalyst, the energy of activation of the reaction is low
C. is different and in the absence of a catalyst, the energy of activation of a reaction is low
D. remains the same, but in the absence of a catalyst, the energy of activation of the reaction is low

Answer

B