For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is Options: A . &nbspSurface Kc/(1 + TS) reaction between absorbed A and B in the gas phase B . &nbspSurface reaction between absorbed A and absorbed B C . &nbspSurface reaction between A in the gas phase and absorbed B D . &nbspDesorption of C

For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and

Question

For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is

Options:

A . Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase

B . Surface reaction between absorbed A and absorbed B

C . Surface reaction between A in the gas phase and absorbed B

D . Desorption of C

Answer: Option D

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