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NEET 2025
Exam
NEET
Year
2025
Subject
Chemistry
Chapter
General Organic Chemistry

NEET 2025 · Chemistry · General Organic Chemistry

Among the given compound I-III, the correct order of bond...

Among the given compound I-III, the correct order of bond dissociation energy of C−H\mathrm{C}-\mathrm{H} bond marked with * is :- Among the given compound I-III, the correct order of bond dissociation energy of C-H bond marked with * is :-

Options

  1. AII > I > III
  2. BI >\gt II >\gt III
  3. CIII >\gt II > I
  4. DII >\gt III >\gt I

Correct answer

A. II > I > III

Step-by-step solution

Bond dissociation energy ∝1 Stability of free radical formed after C-H bond fission homolytically \propto \frac{1}{\text{ Stability of free radical formed after C-H bond fission homolytically }} Stability order III > I > II Bond dissociation energy order ⇒\Rightarrow II >> I >> III.
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