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Which of the following has the shortest ...

Which of the following has the shortest bond length?

A

`Br_2`

B

`F_2`

C

`Cl_2`

D

`I_2`

Text Solution

Verified by Experts

The correct Answer is:
B
All halogen molecules have single bond between the atoms. As we move down the group, the bond length increases on account of increase of atomic size:
`underset((143 p m))(F-F) lt underset((199 p m))(Cl-Cl) lt underset((288p m))(Br-Br) lt underset((266p m))(I-I)`
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