Which free radical is most stable if formed from CH₃CH₂CH₂CH₂CH₃ via homolytic cleavage?
Homolytic cleavage at CH₂ forms CH₃CH₂CH·CH₂CH₃ (secondary radical), more stable than primary due to hyperconjugation.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Fundamental Concepts - Reaction Mechanism - Fission and Reaction Intermediates