In the formation of B-H-B bridge in diborane, the orbitals involved in overlapping are

Options

A. 1 s orbital of 'H' atom and one of the each `sp^3` hybrid orbital of Boron atoms containing one electron each
B. orbital of 'H' atom and one of the each vacant hybrid orbital of Boron atoms
C. ls orbital of 'H' atom and vacant orbital of one Boron and orbital of another boron containing one electron
D. 1s orbital of 'H' atom and vacant orbital and orbital containing single electron of the same Boron atom

Answer

C