The overall reaction of ozone reacting to form oxygen has been proposed to occur in a reaction mechanism of: What is the role of O (g) and what is the overall balanced equation? Question 14 options: 1) O (g) is an intermediate; 2O3 (g) + O (g) →3O2 (g) + O (g) 2) O (g) is a catalyst; 2O3 (g) + O (g) →3O2 (g) + O (g) 3) O (g) is an intermediate; 2O3 (g) →3O2 (g) 4) O (g) is a catalyst; 2O3 (g) →3O2 (g)

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Chemistry

16 October, 17:05

The overall reaction of ozone reacting to form oxygen has been proposed to occur in a reaction mechanism of: What is the role of O (g) and what is the overall balanced equation? Question 14 options: 1) O (g) is an intermediate; 2O3 (g) + O (g) →3O2 (g) + O (g) 2) O (g) is a catalyst; 2O3 (g) + O (g) →3O2 (g) + O (g) 3) O (g) is an intermediate; 2O3 (g) →3O2 (g) 4) O (g) is a catalyst; 2O3 (g) →3O2 (g)

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Answers (1)

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Bruce Lee · Answer 1

3) O (g) is an intermediate; 2O3 (g) →3O2 (g)

Explanation:

The decomposition of ozone to yield oxygen occurs in a sequence of steps. The various non-elementary reactions involved constitute the reaction mechanism. In the sequence of reaction steps O (g) serves as an intermediate.

The overall reaction involves the conversion of two moles of ozone to three moles of oxygen as shown in the answer. Thus the O (g) is merely a reaction intermediate.