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A certain endothermic reaction: Ararr Pr...

A certain endothermic reaction: `Ararr` Product, `DeltaH=+ve` proceeds in a sequence of three elementary steps with the rate constants `K_(1), K_(2)` and `K_(3)` and each one having energy of activation `E_(a), E_(2)` and `E_(3)` respectively at `25^(@)C`. The observed rate constant for the reaction is equal to `K_(3) sqrt(K_(1)/K_(2)). A_(1), A_(2)` and `A_(3)` are Arrhenius parameters respectively.
The observed Arrhenius parameter for the reaction is:

A

(a) `(2A_(1)-A_(2)+2A_(3))/(2)`

B

(b) `sqrt(A_(1)/A_(2)).A_(3)`

C

(c ) `A_(1)A_(2)A_(3)`

D

(d) `(A_(1).A_(3))/(A_(2))`

Text Solution

Verified by Experts

The correct Answer is:
b
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