Question

Consider the conversion of O3 into O2 as 2O3 3O2

(i) O3 O2 + [O], (fast)

(ii) O3 + [O] 2O2, (slow)

The overall order for the conversion is

Answer 1

Answer:

(ii) O3 + [O] 2O2, (slow)

Answer 2

The order of the reaction for conversion of ozone into oxygen is first order chemical reaction.

Explanation:

• in the reaction the slowest reaction that takes place among the two reaction is the rate determining step of the chemical reaction. So the second step is the rate determining step in the given equation. Hence by the second step

• Rate= k  [O3]  [O]

• Due to to the formation of nascent oxygen as an intermediate its quantity is negligible hence the rate of the chemireaction =k [O3]

• So the reaction is of first order

To know more,

The reaction of ozone with oxygen atoms in the presence of chlorine ...

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