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Question: Answered & Verified by Expert
Arrange the following bonds according to their average bond energies in descending order:
C-Cl,C-Br,C-F,C-I
ChemistryChemical Bonding and Molecular StructureJEE MainJEE Main 2020 (08 Jan Shift 2)
Options:
  • A C-F>C-Cl>C-Br>C-I
  • B C-Br>C-I>C-Cl>C-F
  • C C-I>C-Br>C-Cl>C-F
  • D C-Cl>C-Br>C-I>C-F
Solution:
1633 Upvotes Verified Answer
The correct answer is: C-F>C-Cl>C-Br>C-I
Bond energy 1Bond  length

Bond length order in carbon halogen bonds arein the order of C – F < C – Cl < C – Br < C – IHence, Bond energy orderC – F > C – Cl > C – Br > C – I

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