Chemistry - CHEMICAL BONDING Question with Solution | TestHub

The structure of$[\mathrm{B}\mathrm{e}{\mathrm{F}}_4{]}^{2-}$is tetrahedral
The Be atom is$\mathrm{s}{\mathrm{p}}^3$-hybridized.
Electronic structure of beryllium in$\left[\mathrm{B}\mathrm{e}{\mathrm{F}}_2\right]$

[Two unpaired electrons form covalent bonds ($\mathrm{\sigma }$-bonds) with two F atoms]
Electronic structure of beryllium in$[\mathrm{B}\mathrm{e}{\mathrm{F}}_4{]}^{2-}$

[Two${\mathrm{F}}^{-}$ions, each donate an electron pair into empty$\mathrm{s}{\mathrm{p}}^3$-hybrid orbital forming a coordinate bond].