Question

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: (c).surface reaction between absorbed A and B in the gas phase.

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Q. 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....

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