question_answer

Which of the following statements is wrong

A)                 Catalysts can aid a rapid reaching of the equilibrium position, but do not change the position of the equilibrium

B)                 Homogeneous catalysis generally involves an equilibrium reaction between at least one of the reactants and the catalyst

C)                 Heterogeneous catalysis involves chemisorption on the surface of the catalyst

D)                 Positive catalysts raise the energy of activation of the reaction they catalyse