The options (A) and (B) or BeH2 solid and BeCl2 solid have only bridge bond and other also have 2c-2e bonds
Related Questions:
AlCl3 dimmerised to Al2Cl6 by 3C-4e bond bridge bond and Al2Cl6 is neither hypovalent nor hypovalent rather its octet is complete. Al2Cl6 contains six bond having two bridge bond(3c-4e) and four bond is (2C-2e).
We
will used MOT here it cannot act as Lewis acid due to
crowding in spite having vacant d orbital’s however AlCl3 act
as Lewis acid.