Organic Chemistry – Some Basic Principles and Techniques

Organic Chemistry – Some Basic Principles and Techniques

Question

The increasing order of stability of the following free radicals is

  • left parenthesis CH subscript 3 right parenthesis subscript 2 space straight C with • on top straight H space less than thin space left parenthesis CH subscript 3 right parenthesis subscript 3 straight C with • on top space less than thin space left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 2 straight C with • on top straight H space less than thin space left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 3 straight C with • on top
  • left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 3 straight C with • on top space less than thin space left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 2 straight C with • on top straight H space less than space left parenthesis CH subscript 3 right parenthesis subscript 3 straight C with • on top space less than thin space left parenthesis CH subscript 3 right parenthesis subscript 2 space straight C with • on top straight H
  • left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 2 straight C with • on top straight H space less than space left parenthesis CH subscript 3 right parenthesis subscript 3 straight C with • on top space less than thin space left parenthesis CH subscript 3 right parenthesis subscript 3 straight C with • on top space less than space left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 2 straight C with • on top straight H
  • left parenthesis CH subscript 3 right parenthesis subscript 2 space straight C with • on top straight H space less than space left parenthesis CH subscript 3 right parenthesis subscript 3 space straight C with • on top space less than space left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 3 straight C with • on top space less than thin space left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 2 straight C with • on top straight H

Answer

A.

left parenthesis CH subscript 3 right parenthesis subscript 2 space straight C with • on top straight H space less than thin space left parenthesis CH subscript 3 right parenthesis subscript 3 straight C with • on top space less than thin space left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 2 straight C with • on top straight H space less than thin space left parenthesis straight C subscript 6 straight H subscript 5 right parenthesis subscript 3 straight C with • on top

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