The pπ-pπ back bonding occurs in the halides of boron but not in the halides of aluminium. Explain.

The pπ-pπ back bonding occurs in the halides of boron but not in the

1.	The pπ-pπ back bonding occurs in the halides of boron but not in the halides of aluminium. Explain.
Answer» N is a smaller atom, hence it forms strong pπ-pπ ORBITALS of halogens. Similar π BONDING is not possible in case of halides of aluminium due to large difference in 3P orbitals of AL.