The equilibrium has been given as no change in the rate of the reaction. In the given hypothetical reaction, the rate of consumption for B will be 2.0 mol/L.s.
The dynamic equilibrium is the condition in the reversible reaction at which the rate of formation of the product has been equivalent to the rate of formation of reactants.
Thus, the rate of consumption of products and reactants is equal.
In the given reaction, the rate of consumption of reactant A is 2.0 mol/L.s. Thus, the rate of consumption of B, the product has been 2.0 mol/L.s. Thus, option C is correct.
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