For a heterogenous catalytic reaction, A + B C , with equimole feed of A and B , the initial rate - r A0 is invariant with total pressure. The rate controlling step is

surface K c /(1 + T S ) reaction between absorbed A and B in the gas phase.

surface reaction between absorbed A and absorbed B .

surface reaction between A in the gas phase and absorbed B .

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

1.	For a heterogenous catalytic reaction, A + B C , with equimole feed of A and B , the initial rate - r A0 is invariant with total pressure. The rate controlling step is
A.	surface K c /(1 + T S ) 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» E.

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For a heterogenous catalytic reaction, A + B C , with equimole feed of A and B , the initial rate - r A0 is invariant with total pressure. The rate controlling step is

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