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In two different experiments, equilibriu...

In two different experiments, equilibrium `A(g) hArr B(g)` is established by initially taking reactant only. In first experiment, reaction is carried out in absence of catalyst and in second experiment reaction is carried out in presence of catalyst, then, which of the following curve of rate us time for forward and backward reaction hold true in these two experiments ?

A

B

C

D

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The correct Answer is:
A
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