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Many chemical reactions that occur in the atmosphere and stratosphere involve free radicals. Free radical formation occurs when a photon of light is absorbed and the energy of the radiation being absorbed causes a chemical bond in the compound to break. Which of the following bonds requires the most energy (and the most energetic radiation) to be broken? (a) The oxygen—oxygen bond in O 2 (b) The oxygen—oxygen bond in O3 (c) The chlorine—carbon bond in CCl 2 F 2

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Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

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Chapter
Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
Chapter 20.1, Problem 2RC
Textbook Problem
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Many chemical reactions that occur in the atmosphere and stratosphere involve free radicals. Free radical formation occurs when a photon of light is absorbed and the energy of the radiation being absorbed causes a chemical bond in the compound to break. Which of the following bonds requires the most energy (and the most energetic radiation) to be broken?

  1. (a) The oxygen—oxygen bond in O2
  2. (b) The oxygen—oxygen bond in O3
  3. (c) The chlorine—carbon bond in CCl2F2

Interpretation Introduction

Interpretation: The bond requires the most energy to be broken should be determined.

Concept Introduction:

Many chemical reactions that occur in the atmosphere and stratosphere involve free radicals.

Free radical formation occurs when a photon of light is absorbed and the energy of the radiation being absorbed cause a chemical bond in the compound to break.

Explanation of Solution

Reason for correct option

Given,

Many chemical reactions that occur in the atmosphere and stratosphere involve free radicals.

Free radical formation occur when a photon of light is absorbed and the energy of the radiation being absorbed cause a chemical bond in the compound to break.

The following bond requires the most energy to be broken is OO Bond in O2

Hence the correct option for the enthalpy change is option a.

Reasons for incorrect options:

Write all the options except option a.

(b) The OO Bond in O3

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Chemistry & Chemical Reactivity
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