To the reaction 2N2O5 (g) --------> 4NO2 (g) + O2 (g) at 298K is 3,38x10-5s-1. C

Question

To the reaction 2N2O5 (g) --------> 4NO2 (g) + O2 (g) at 298K is 3,38x10-5s-1.

Considering the kinetics of this reaction, check V affirmative true and F for false.

( ) Expected an exponential decay of the reagent, as that the law of speed of reaction can be expressed as v = k [N2O5].

( ) The reaction follows the kinetics of second order.

( ) A suitable catalyst may increase the speed of reaction as it decreases the free energy difference Gibbs Reaction. The statements are, respectively, (explain your answer)

(A) F, V and F.

(B) F, V and V.

(C) V, F, and F.

(D) V, V and F.

(E) F, F and V.

Explanation / Answer

Decomposition reactions are 1st order reactions which follows the rate law,

rate of reaction = rate constant(k)*[N2O5]

Thus, the correct option is :-

(C) The catalyst decreases the energy of activation and not the Gibbs free energy

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