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The chemical reaction 2O(3) overset(k(1)...

The chemical reaction `2O_(3) overset(k_(1))rarr 3O_(2)` proceeds as follows:
`O_(3) overset(k_(eq))hArr O_(2)+O` (fast)
`O + O_(3) overset(k)rarr 2O_(2)` (slow)
What should be the rate law expresison ?

A

`r = k' [O_(3)]^(2)`

B

`r = k' [O_(3)]^(2)[O_(2)]^(-1)`

C

`r = k' [O_(3)][O_(2)]`

D

Unpredictable

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The correct Answer is:
B
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