The manner inhibition of radical chlorination of methane is possible when radical inhibitors such as I 2 are added should be explained. Concept introduction: The mechanism for monochlorination comprises of three stages illustrated as follows: Step 1- Initiation via homolytic cleavage of Cl − Cl bond: Cl 2 initiates the reaction; undergoes homolysis to yield chlorine radicals. Energy for homolytic cleavage is provided by the heat or ultraviolet light. Step 2: Propagation: In the first of the propagation steps, Cl · radical generated from step 1 abstracts hydrogen radical from methane as follows: In subsequent propagation step,chloromethyl radical abstracts Cl · radical from another Cl 2 , and liberates dichloromethane and new Cl · radical. Step3: Termination: Radicals generated in propagation steps get quenched upon the combination with one another. Thus termination steps are essentially the radical− radical combination illustrated as follows:

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Chapter 3, Problem 42P

Interpretation Introduction

Interpretation:The manner inhibition of radical chlorination of methane is possible when radical inhibitors such as I2 are added should be explained.

Concept introduction:The mechanism for monochlorination comprises of three stages illustrated as follows:

Step 1- Initiation via homolytic cleavage of Cl−Cl bond: Cl2 initiates the reaction; undergoes homolysis to yield chlorine radicals. Energy for homolytic cleavage is provided by the heat or ultraviolet light.

Step 2: Propagation: In the first of the propagation steps, Cl·radical generated from step 1 abstracts hydrogen radical from methane as follows:

In subsequent propagation step,chloromethyl radical abstracts Cl· radical from another Cl2 , and liberates dichloromethane and new Cl· radical.

Step3: Termination: Radicals generated in propagation steps get quenched upon the combination with one another. Thus termination steps are essentially the radical− radical combination illustrated as follows:

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4. Draw and label all possible isomers for [M(py)3(DMSO)2(CI)] (py = pyridine, DMSO dimethylsulfoxide).

Answer 2

Question

Chapter 3, Problem 42P

Interpretation Introduction

Interpretation:The manner inhibition of radical chlorination of methane is possible when radical inhibitors such as I2 are added should be explained.

Concept introduction:The mechanism for monochlorination comprises of three stages illustrated as follows:

Step 1- Initiation via homolytic cleavage of Cl−Cl bond: Cl2 initiates the reaction; undergoes homolysis to yield chlorine radicals. Energy for homolytic cleavage is provided by the heat or ultraviolet light.

Step 2: Propagation: In the first of the propagation steps, Cl·radical generated from step 1 abstracts hydrogen radical from methane as follows:

In subsequent propagation step,chloromethyl radical abstracts Cl· radical from another Cl2 , and liberates dichloromethane and new Cl· radical.

Step3: Termination: Radicals generated in propagation steps get quenched upon the combination with one another. Thus termination steps are essentially the radical− radical combination illustrated as follows:

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Question

Chapter 3, Problem 42P

Interpretation Introduction

Interpretation:The manner inhibition of radical chlorination of methane is possible when radical inhibitors such as I2 are added should be explained.

Concept introduction:The mechanism for monochlorination comprises of three stages illustrated as follows:

Step 1- Initiation via homolytic cleavage of Cl−Cl bond: Cl2 initiates the reaction; undergoes homolysis to yield chlorine radicals. Energy for homolytic cleavage is provided by the heat or ultraviolet light.

Step 2: Propagation: In the first of the propagation steps, Cl·radical generated from step 1 abstracts hydrogen radical from methane as follows:

In subsequent propagation step,chloromethyl radical abstracts Cl· radical from another Cl2 , and liberates dichloromethane and new Cl· radical.

Step3: Termination: Radicals generated in propagation steps get quenched upon the combination with one another. Thus termination steps are essentially the radical− radical combination illustrated as follows:

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Question

Chapter 3, Problem 42P

Interpretation Introduction

Interpretation:The manner inhibition of radical chlorination of methane is possible when radical inhibitors such as I2 are added should be explained.

Concept introduction:The mechanism for monochlorination comprises of three stages illustrated as follows:

Step 1- Initiation via homolytic cleavage of Cl−Cl bond: Cl2 initiates the reaction; undergoes homolysis to yield chlorine radicals. Energy for homolytic cleavage is provided by the heat or ultraviolet light.

Step 2: Propagation: In the first of the propagation steps, Cl·radical generated from step 1 abstracts hydrogen radical from methane as follows:

In subsequent propagation step,chloromethyl radical abstracts Cl· radical from another Cl2 , and liberates dichloromethane and new Cl· radical.

Step3: Termination: Radicals generated in propagation steps get quenched upon the combination with one another. Thus termination steps are essentially the radical− radical combination illustrated as follows:

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Answer 5

Chapter 3, Problem 42P

Interpretation Introduction

Interpretation:The manner inhibition of radical chlorination of methane is possible when radical inhibitors such as I2 are added should be explained.

Concept introduction:The mechanism for monochlorination comprises of three stages illustrated as follows:

Step 1- Initiation via homolytic cleavage of Cl−Cl bond: Cl2 initiates the reaction; undergoes homolysis to yield chlorine radicals. Energy for homolytic cleavage is provided by the heat or ultraviolet light.

Step 2: Propagation: In the first of the propagation steps, Cl·radical generated from step 1 abstracts hydrogen radical from methane as follows:

In subsequent propagation step,chloromethyl radical abstracts Cl· radical from another Cl2 , and liberates dichloromethane and new Cl· radical.

Step3: Termination: Radicals generated in propagation steps get quenched upon the combination with one another. Thus termination steps are essentially the radical− radical combination illustrated as follows:

Answer 6

Chapter 3, Problem 42P

Interpretation Introduction

Interpretation:The manner inhibition of radical chlorination of methane is possible when radical inhibitors such as I2 are added should be explained.

Concept introduction:The mechanism for monochlorination comprises of three stages illustrated as follows:

Step 1- Initiation via homolytic cleavage of Cl−Cl bond: Cl2 initiates the reaction; undergoes homolysis to yield chlorine radicals. Energy for homolytic cleavage is provided by the heat or ultraviolet light.

Step 2: Propagation: In the first of the propagation steps, Cl·radical generated from step 1 abstracts hydrogen radical from methane as follows:

In subsequent propagation step,chloromethyl radical abstracts Cl· radical from another Cl2 , and liberates dichloromethane and new Cl· radical.

Step3: Termination: Radicals generated in propagation steps get quenched upon the combination with one another. Thus termination steps are essentially the radical− radical combination illustrated as follows:

Answer 7

Chapter 3, Problem 42P

Interpretation Introduction

Interpretation:The manner inhibition of radical chlorination of methane is possible when radical inhibitors such as I2 are added should be explained.

Concept introduction:The mechanism for monochlorination comprises of three stages illustrated as follows:

Step 1- Initiation via homolytic cleavage of Cl−Cl bond: Cl2 initiates the reaction; undergoes homolysis to yield chlorine radicals. Energy for homolytic cleavage is provided by the heat or ultraviolet light.

Step 2: Propagation: In the first of the propagation steps, Cl·radical generated from step 1 abstracts hydrogen radical from methane as follows:

In subsequent propagation step,chloromethyl radical abstracts Cl· radical from another Cl2 , and liberates dichloromethane and new Cl· radical.

Step3: Termination: Radicals generated in propagation steps get quenched upon the combination with one another. Thus termination steps are essentially the radical− radical combination illustrated as follows:

Answer 8

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Ch. 3.1 - Prob. 3.2TIY Ch. 3.1 - Prob. 3.3E Ch. 3.4 - Prob. 3.5TIY Ch. 3.5 - Prob. 3.6E Ch. 3.7 - Prob. 3.7E Ch. 3.7 - Prob. 3.9TIY Ch. 3.9 - Prob. 3.11TIY Ch. 3.11 - Prob. 3.12E Ch. 3 - Prob. 15P Ch. 3 - Prob. 16P

Solution Summary: The author explains the mechanism for monochlorination in presence of iodine inhibitors.

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