Halogen with lowest bond dissociation energy is
Halogen with lowest bond dissociation energy is
A. `F_2`
B. `Br_2`
C. `Cl_2`
D. All have nearly equal bond energies.
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Correct Answer - A
The bond dissociation energy of `F_2` is lower than even `Br_2` and `Cl_2`. This is due to repulsions between non-bonding electron pairs.
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