Chemistry - Complete Pblock- Question with Solution | TestHub

Boron atoms form $4$ bonds and are ${\mathrm{sp}}^3$ hybridised.

The four terminal$\mathrm{B}-\mathrm{H}$bonds are two centre two electron bonds.While There are two$3$-centre-$2$-electron bonds in between both B atoms. The four terminal Hydrogen atoms and the two Boron atoms lie in the same plane.