The mechanism for catalytic destructions of ozone by chloride radicals is as follows: (1) 2 [ C l + O 3 → O 2 + C l O ] Faster (2) 2 C l O → C l 2 O 2 Slower, Rate Determining Step (3) C l 2 O 2 + h v → 2 C l + O 2 Faster Overall Reaction: 2 O 3 + h v → 3 O 2 Draw a potential energy profile showing the destruction of ozone by the chlorine radical catalysed mechanism. The appropriate parts of the graph depicting reactants, products, catalysts, intermediates and activation energy E a should be labelled. Concept Introduction: Exothermic reactions are the chemical reactions in which energy is released in terms of heat and light. Chemically, exothermic reactions are represented as follows: R e a c t a n t s → P r o d u c t s + E n e r g y

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Chapter 13, Problem 13.38P

Interpretation Introduction

Interpretation:

The mechanism for catalytic destructions of ozone by chloride radicals is as follows:

(1) 2[Cl     +      O 3      →        O 2    +   ClO] Faster
(2) 2ClO     →      Cl2O2 Slower, Rate Determining Step
(3) Cl2O2    +      hv      →      2 Cl     +     O 2 Faster

Overall Reaction: 2O3    +      hv      →      3O 2

Draw a potential energy profile showing the destruction of ozone by the chlorine radical catalysed mechanism. The appropriate parts of the graph depicting reactants, products, catalysts, intermediates and activation energy Ea should be labelled.

Concept Introduction:

Exothermic reactions are the chemical reactions in which energy is released in terms of heat and light. Chemically, exothermic reactions are represented as follows:

Reactants       →        Products   +    Energy

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