Bond dissociation energy ∝ Stability of free radical formed after C-H bond fission homolytically 1 
Stability order III > I > II Bond dissociation energy order ⇒ II > I > III.
NEET UG 2025 — Chemistry Organic Chemistry
2025mcqmedium
Among the given compound I-III, the correct order of bond dissociation energy of C−H bond marked with * is :- 
Official previous-year question
Held on 30 Apr 2025 · Verified 9 Jul 2026.
Options
- A
II > I > III
- B
I > II > III
- C
III > II > I
- D
II > III > I
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