1.

Explain the structure of interhalogen compound of the type XX_(5).

Answer»

Solution :(i) Interhalogen compound of the type `XX_(5)` POSSESSES square pyramidal structure.
(ii)The central halogen atom `X (X = Br, I)` undergoes `sp^(3)d^(2)` hybridisation forming six hybrid orbitals.
(III) One hybrid orbital is OCCUPIED by a lone PAIR of electrons.
Ground state of Br
Consider `IF_(5)`molecule :


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