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The reaction 2O3 → 3O2 proceeds in two steps as follows.

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The reaction 2O3 → 3O2 proceeds in two steps as follows.

(i)  O3 ⇋ O2 + O (fast)

(ii)  O + O3 → 2O2 (slow)

The rate law expression should be...

(a)  r  = K[O3]2

(b)  r = K[O3]2[O2]-1

(c)  r = K[O3][O2]

(d)  r = K[O3]2[O2]1 

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1 Answer

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Best answer

Correct option (b) r = K[O3]2 [O2]-1

Explanation:

From Slowest step r =  k [O3][O]

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