The reason for the enhance rate of substitution at C5 in 2 , 2 − dimethyl hexane is to be explained. Concept Introduction: The breaking of a covalent bond in a way that each atom takes one electron from the shared pair is called homolytic fission. Homolytic fission results in the formation of a radical, and the order of stability of the radical is as follows: 1 o < 2 o < 3 o Free radical halogenation is a reaction that substitutes a chlorine for a hydrogen on an alkane . This reaction is a photochemical one. That is, it occurs only when performed in the presence of uv light Free radical reactions are described in three steps: initiation steps, propagation steps, and termination steps

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Chapter 10, Problem 39P

Interpretation Introduction

Interpretation:

The reason for the enhance rate of substitution at C5 in 2,2− dimethyl hexane is to be explained.

Concept Introduction:

The breaking of a covalent bond in a way that each atom takes one electron from the shared pair is called homolytic fission.

Homolytic fission results in the formation of a radical, and the order of stability of the radical is as follows:

1o<2o<3o

Free radical halogenation is a reaction that substitutes a chlorine for a hydrogen on an alkane. This reaction is a photochemical one. That is, it occurs only when performed in the presence of uv light

Free radical reactions are described in three steps: initiation steps, propagation steps, and termination steps

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