34. Solving a chemistry problem

34. Solving a chemistry problem

9. Two mechanisms have been proposed to explain the overall reaction A2 B2=2AB.
Movement 1
A2=2A (k1)
A B2=AB B(k2)
A B=AB(k3)
Movement 2
A2 B2=A2B2(k1)
A2B2=AB(k2)
Experimental data
It is found that the order in B2 is equal to zero
For each of them, derive an expression for the rate of accumulation of AB. It is known that the first stage in each mechanism is the slowest. Analyze the resulting equations and reasonably answer which of these mechanisms corresponds to the experimental equation for the rate of AB formation.

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