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Halogen with lowest bond dissociation en...

Halogen with lowest bond dissociation energy is

A

`F_2`

B

`Br_2`

C

`Cl_2`

D

All have nearly equal bond energies.

Text Solution

Verified by Experts

The correct Answer is:
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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