1238Chemical EngineeringMedium
For a heterogeneous 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________?
ASurface Kc/(1 + TS) reaction between absorbed A and B in the gas phase
BSurface reaction between A in the gas phase and absorbed B
CSurface reaction between absorbed A and absorbed B
DDesorption of C
Correct answer
D. Desorption of C
Explanation
The correct answer is Desorption of C.