First slide

Diborane

Question

Correct statement regarding B₂H₆ and Al₂Cl₆

Easy

A

Both have three centred two electron bonds
B

Hybridisation of 'B' in B₂H₆ is sp² where as Al in Al₂Cl₆ is sp³ hybridised
C

B₂H₆ has hydrogen bridge bonds and Al₂Cl₆ has halogen bridging
D

Both have two centred three electron bonds

Solution

In Al₂Cl₆two coordinate covalent bonds and 6 covalent bonds are present.
In diborane two BH₂ groups are in one plane and two bridged hydrogens are in perpendicular to the BH₂ plane, therefore diborane is a non planar molecule and the central atom boron undergoes sp³ hybridisation.

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