The rate of the heterogenous catalytic reaction A(g) + B(g) → C(g – McqOptions

MCQOPTIONS

1.	The rate of the heterogenous catalytic reaction A(g) + B(g) → C(g) is given by -rᴀ = k.Kᴀ.pᴀ.Pʙ/(1 + Kᴀ.Pᴀ + Kc.pc), where Kᴀ and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction is
A.	absorption of A.
B.	surface reaction between absorbed A and absorbed B.
C.	surface reaction between absorbed A and B in the gas phase.
D.	surface reaction between A in the gas phase and absorbed B.
Answer» D. surface reaction between A in the gas phase and absorbed B.

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