Which among the following pairs of halogen forms the interhalogen compound of the type…
Which among the following pairs of halogen forms the interhalogen compound of the type $\mathrm{XX}_{7}^{\prime}$ ?
Br and $\mathrm{F}$
Cl and $\mathrm{F}$
I and F
I and Cl
Solution
I and F
The interhalogen compound of type $\mathrm{XX}_{7}^{\prime}$, iodine heptafluoride with the chemical formula $\mathrm{IF}_{7}$, is made up of the halogen pairs iodine (I) and fluorine (F).
VSEPR theory predicts that it has an unusual pentagonal bipyramidal structure.
