Which of the following statements concerning chemical kinetics is NOT true?

W) Catalysts of a reaction can appear in the reaction's rate law

X) The reciprocal of concentration versus time will be linear for a first order reaction

Y) For a reaction, the equilibrium constant is the forward rate constant over the reverse rate constant

Z) The half-life of a zero-th order reaction is proportional to initial concentration of the reactant
X) THE RECIPROCAL OF CONCENTRATION VERSUS TIME WILL BE LINEAR FOR A FIRST ORDER REACTION